diff --git a/binding.gyp b/binding.gyp
index 81ca8f4..ff62a18 100644
--- a/binding.gyp
+++ b/binding.gyp
@@ -8,6 +8,7 @@
       ],
       "sources": [
         "src/parser.c",
+        "src/scanner.c",
         "src/binding.cc"
       ],
       "cflags_c": [
diff --git a/corpus/declarations.txt b/corpus/declarations.txt
index 498c496..0c74004 100644
--- a/corpus/declarations.txt
+++ b/corpus/declarations.txt
@@ -5,3 +5,17 @@ Functions
 a {
   color: rgba(0, 255, 0, 0.5);
 }
+
+---
+
+(stylesheet
+  (rule_set
+    (selectors (tag_name))
+    (block
+      (declaration
+        (property_name)
+        (function_value (function_name) (arguments
+          (integer_value)
+          (integer_value)
+          (integer_value)
+          (float_value)))))))
diff --git a/corpus/selectors.txt b/corpus/selectors.txt
index b83d9fa..ea943d7 100644
--- a/corpus/selectors.txt
+++ b/corpus/selectors.txt
@@ -18,31 +18,39 @@ div, span {}
 ---
 
 (stylesheet
-  (rule_set (selectors (type_selector (identifier)) (type_selector (identifier))) (block)))
+  (rule_set (selectors (tag_name) (tag_name)) (block)))
 
 =========================
 Class selectors
 =========================
 
 .class-a {}
-.class-b, .class-c {}
+div.class-b, .class-c.class-d {}
 
 ---
 
 (stylesheet
-  (rule_set (selectors (class_selector (identifier))) (block))
-  (rule_set (selectors (class_selector (identifier)) (class_selector (identifier))) (block)))
+  (rule_set
+    (selectors (class_selector (class_name)))
+    (block))
+  (rule_set
+    (selectors
+      (class_selector (tag_name) (class_name))
+      (class_selector (class_selector (class_name)) (class_name)))
+    (block)))
 
 =========================
 Id selectors
 =========================
 
-#some-id {}
+#some-id, a#another-id {}
 
 ---
 
 (stylesheet
-  (rule_set (selectors (id_selector (identifier))) (block)))
+  (rule_set
+    (selectors (id_selector (id_name)) (id_selector (tag_name) (id_name)))
+    (block)))
 
 =========================
 Attribute selectors
@@ -51,13 +59,45 @@ Attribute selectors
 [a] {}
 [b=c] {}
 [d~=e] {}
+a[b] {}
 
 ---
 
 (stylesheet
-  (rule_set (selectors (attribute_selector (property_name (identifier)))) (block))
-  (rule_set (selectors (attribute_selector (property_name (identifier)) (property_value))) (block))
-  (rule_set (selectors (attribute_selector (property_name (identifier)) (property_value))) (block)))
+  (rule_set (selectors (attribute_selector (attribute_name))) (block))
+  (rule_set (selectors (attribute_selector (attribute_name) (value_name))) (block))
+  (rule_set (selectors (attribute_selector (attribute_name) (value_name))) (block))
+  (rule_set (selectors (attribute_selector (tag_name) (attribute_name))) (block)))
+
+=========================
+Pseudo-class selectors
+=========================
+
+a:hover {}
+:nth-child(2) {}
+
+---
+
+(stylesheet
+  (rule_set
+    (selectors (pseudo_class_selector (tag_name) (class_name)))
+    (block))
+  (rule_set
+    (selectors (pseudo_class_selector (class_name) (arguments (integer_value))))
+    (block)))
+
+=========================
+Pseudo-element selectors
+=========================
+
+a::first-line {}
+
+---
+
+(stylesheet
+  (rule_set
+    (selectors (pseudo_element_selector (tag_name) (tag_name)))
+    (block)))
 
 =========================
 Child selectors
@@ -70,12 +110,12 @@ c > d > e {}
 
 (stylesheet
   (rule_set
-    (selectors (child_selector (type_selector (identifier)) (type_selector (identifier))))
+    (selectors (child_selector (tag_name) (tag_name)))
     (block))
   (rule_set
     (selectors (child_selector
-      (child_selector (type_selector (identifier)) (type_selector (identifier)))
-      (type_selector (identifier))))
+      (child_selector (tag_name) (tag_name))
+      (tag_name)))
     (block)))
 
 =========================
@@ -89,10 +129,30 @@ c d e {}
 
 (stylesheet
   (rule_set
-    (selectors (descendant_selector (type_selector (identifier)) (type_selector (identifier))))
+    (selectors (descendant_selector (tag_name) (tag_name)))
     (block))
   (rule_set
     (selectors (descendant_selector
-      (descendant_selector (type_selector (identifier)) (type_selector (identifier)))
-      (type_selector (identifier))))
+      (descendant_selector (tag_name) (tag_name))
+      (tag_name)))
     (block)))
+
+===========================
+Nesting selectors
+===========================
+
+a {
+  &.b {}
+  & c {}
+  & > d {}
+}
+
+---
+
+(stylesheet
+  (rule_set
+    (selectors (tag_name))
+    (block
+      (rule_set (selectors (class_selector (nesting_selector) (class_name))) (block))
+      (rule_set (selectors (descendant_selector (nesting_selector) (tag_name))) (block))
+      (rule_set (selectors (child_selector (nesting_selector) (tag_name))) (block)))))
diff --git a/corpus/stylesheets.txt b/corpus/stylesheets.txt
index dab64fc..d0987c2 100644
--- a/corpus/stylesheets.txt
+++ b/corpus/stylesheets.txt
@@ -10,6 +10,6 @@ Rule sets
 
 (stylesheet
   (rule_set
-    (selectors (id_selector (identifier)))
+    (selectors (id_selector (id_name)))
     (block
-      (declaration (property_name (identifier)) (property_value)))))
+      (declaration (property_name) (integer_value (unit))))))
diff --git a/grammar.js b/grammar.js
index 01dd67f..78a58ba 100644
--- a/grammar.js
+++ b/grammar.js
@@ -6,6 +6,10 @@ module.exports = grammar({
     $.comment,
   ],
 
+  externals: $ => [
+    $._descendant_operator,
+  ],
+
   rules: {
     stylesheet: $ => repeat(choice(
       $.rule_set,
@@ -27,60 +31,130 @@ module.exports = grammar({
 
     selectors: $ => commaSep1($._selector),
 
-    block: $ => seq('{', repeat($.declaration), '}'),
+    block: $ => seq(
+      '{',
+      repeat(choice($.declaration, $.rule_set)),
+      '}'
+    ),
 
     // Selectors
 
     _selector: $ => choice(
       $.universal_selector,
-      $.type_selector,
+      alias($.identifier, $.tag_name),
       $.class_selector,
+      $.nesting_selector,
+      $.pseudo_class_selector,
+      $.pseudo_element_selector,
       $.id_selector,
       $.attribute_selector,
       $.child_selector,
       $.descendant_selector
     ),
 
+    nesting_selector: $ => '&',
+
     universal_selector: $ => '*',
 
-    type_selector: $ => $.identifier,
+    class_selector: $ => seq(
+      optional($._selector),
+      '.',
+      alias($.identifier, $.class_name),
+    ),
 
-    class_selector: $ => seq('.', $.identifier),
+    pseudo_class_selector: $ => seq(
+      optional($._selector),
+      ':',
+      alias($.identifier, $.class_name),
+      optional($.arguments)
+    ),
 
-    id_selector: $ => seq('#', $.identifier),
+    pseudo_element_selector: $ => seq(
+      optional($._selector),
+      '::',
+      alias($.identifier, $.tag_name)
+    ),
+
+    id_selector: $ => seq(
+      optional($._selector),
+      '#',
+      alias($.identifier, $.id_name)
+    ),
 
     attribute_selector: $ => seq(
-      choice(
-        '[',
-        seq($._selector, token.immediate('['))
-      ),
-      $.property_name,
+      optional($._selector),
+      '[',
+      alias($.identifier, $.attribute_name),
       optional(seq(
         choice('=', '~=', '^=', '|=', '*=', '$='),
-        $.property_value
+        $._value
       )),
       ']'
     ),
 
     child_selector: $ => prec.left(seq($._selector, '>', $._selector)),
 
-    descendant_selector: $ => prec.left(seq($._selector, $._selector)),
+    descendant_selector: $ => prec.left(seq($._selector, $._descendant_operator, $._selector)),
 
     // Declarations
 
-    declaration: $ => seq(
-      $.property_name,
+    declaration: $ => prec(1, seq(
+      alias($.identifier, $.property_name),
       ':',
-      $.property_value,
+      repeat1($._value),
       ';'
+    )),
+
+    // Property Values
+
+    _value: $ => choice(
+      alias($.identifier, $.value_name),
+      $.color_value,
+      $.integer_value,
+      $.float_value,
+      $.function_value
+    ),
+
+    integer_value: $ => seq(
+      token(seq(
+        optional(choice('+', '-')),
+        /\d+/
+      )),
+      optional($.unit)
+    ),
+
+    float_value: $ => seq(
+      token(seq(
+        optional(choice('+', '-')),
+        /\d*/,
+        choice(
+          seq('.', /\d+/),
+          seq('e', optional('-'), /\d+/),
+          seq('.', /\d+/, 'e', optional('-'), /\d+/)
+        )
+      )),
+      optional($.unit)
+    ),
+
+    unit: $ => token.immediate(/[a-z]+/),
+
+    color_value: $ => /#[0-9a-fA-F]{3,6}/,
+
+    function_value: $ => seq(
+      alias($.identifier, $.function_name),
+      $.arguments
+    ),
+
+    arguments: $ => seq(
+      '(',
+      commaSep($._value),
+      ')'
     ),
 
     property_name: $ => $.identifier,
 
     identifier: $ => /[a-zA-Z-_]+/,
 
-    property_value: $ => /[^;()\[\]]+/,
-
     comment: $ => token(choice(
       seq('//', /.*/),
       seq(
@@ -92,6 +166,10 @@ module.exports = grammar({
   }
 })
 
+function commaSep (rule) {
+  return optional(commaSep1(rule))
+}
+
 function commaSep1 (rule) {
   return seq(rule, repeat(seq(',', rule)))
 }
diff --git a/src/grammar.json b/src/grammar.json
index a290f10..398bb6c 100644
--- a/src/grammar.json
+++ b/src/grammar.json
@@ -74,8 +74,17 @@
         {
           "type": "REPEAT",
           "content": {
-            "type": "SYMBOL",
-            "name": "declaration"
+            "type": "CHOICE",
+            "members": [
+              {
+                "type": "SYMBOL",
+                "name": "declaration"
+              },
+              {
+                "type": "SYMBOL",
+                "name": "rule_set"
+              }
+            ]
           }
         },
         {
@@ -92,13 +101,30 @@
           "name": "universal_selector"
         },
         {
-          "type": "SYMBOL",
-          "name": "type_selector"
+          "type": "ALIAS",
+          "content": {
+            "type": "SYMBOL",
+            "name": "identifier"
+          },
+          "named": true,
+          "value": "tag_name"
         },
         {
           "type": "SYMBOL",
           "name": "class_selector"
         },
+        {
+          "type": "SYMBOL",
+          "name": "nesting_selector"
+        },
+        {
+          "type": "SYMBOL",
+          "name": "pseudo_class_selector"
+        },
+        {
+          "type": "SYMBOL",
+          "name": "pseudo_element_selector"
+        },
         {
           "type": "SYMBOL",
           "name": "id_selector"
@@ -117,37 +143,143 @@
         }
       ]
     },
+    "nesting_selector": {
+      "type": "STRING",
+      "value": "&"
+    },
     "universal_selector": {
       "type": "STRING",
       "value": "*"
     },
-    "type_selector": {
-      "type": "SYMBOL",
-      "name": "identifier"
-    },
     "class_selector": {
       "type": "SEQ",
       "members": [
+        {
+          "type": "CHOICE",
+          "members": [
+            {
+              "type": "SYMBOL",
+              "name": "_selector"
+            },
+            {
+              "type": "BLANK"
+            }
+          ]
+        },
         {
           "type": "STRING",
           "value": "."
         },
         {
-          "type": "SYMBOL",
-          "name": "identifier"
+          "type": "ALIAS",
+          "content": {
+            "type": "SYMBOL",
+            "name": "identifier"
+          },
+          "named": true,
+          "value": "class_name"
+        }
+      ]
+    },
+    "pseudo_class_selector": {
+      "type": "SEQ",
+      "members": [
+        {
+          "type": "CHOICE",
+          "members": [
+            {
+              "type": "SYMBOL",
+              "name": "_selector"
+            },
+            {
+              "type": "BLANK"
+            }
+          ]
+        },
+        {
+          "type": "STRING",
+          "value": ":"
+        },
+        {
+          "type": "ALIAS",
+          "content": {
+            "type": "SYMBOL",
+            "name": "identifier"
+          },
+          "named": true,
+          "value": "class_name"
+        },
+        {
+          "type": "CHOICE",
+          "members": [
+            {
+              "type": "SYMBOL",
+              "name": "arguments"
+            },
+            {
+              "type": "BLANK"
+            }
+          ]
+        }
+      ]
+    },
+    "pseudo_element_selector": {
+      "type": "SEQ",
+      "members": [
+        {
+          "type": "CHOICE",
+          "members": [
+            {
+              "type": "SYMBOL",
+              "name": "_selector"
+            },
+            {
+              "type": "BLANK"
+            }
+          ]
+        },
+        {
+          "type": "STRING",
+          "value": "::"
+        },
+        {
+          "type": "ALIAS",
+          "content": {
+            "type": "SYMBOL",
+            "name": "identifier"
+          },
+          "named": true,
+          "value": "tag_name"
         }
       ]
     },
     "id_selector": {
       "type": "SEQ",
       "members": [
+        {
+          "type": "CHOICE",
+          "members": [
+            {
+              "type": "SYMBOL",
+              "name": "_selector"
+            },
+            {
+              "type": "BLANK"
+            }
+          ]
+        },
         {
           "type": "STRING",
           "value": "#"
         },
         {
-          "type": "SYMBOL",
-          "name": "identifier"
+          "type": "ALIAS",
+          "content": {
+            "type": "SYMBOL",
+            "name": "identifier"
+          },
+          "named": true,
+          "value": "id_name"
         }
       ]
     },
@@ -158,30 +290,26 @@
           "type": "CHOICE",
           "members": [
             {
-              "type": "STRING",
-              "value": "["
+              "type": "SYMBOL",
+              "name": "_selector"
             },
             {
-              "type": "SEQ",
-              "members": [
-                {
-                  "type": "SYMBOL",
-                  "name": "_selector"
-                },
-                {
-                  "type": "IMMEDIATE_TOKEN",
-                  "content": {
-                    "type": "STRING",
-                    "value": "["
-                  }
-                }
-              ]
+              "type": "BLANK"
             }
           ]
         },
         {
-          "type": "SYMBOL",
-          "name": "property_name"
+          "type": "STRING",
+          "value": "["
+        },
+        {
+          "type": "ALIAS",
+          "content": {
+            "type": "SYMBOL",
+            "name": "identifier"
+          },
+          "named": true,
+          "value": "attribute_name"
         },
         {
           "type": "CHOICE",
@@ -220,7 +348,7 @@
                 },
                 {
                   "type": "SYMBOL",
-                  "name": "property_value"
+                  "name": "_value"
                 }
               ]
             },
@@ -266,6 +394,10 @@
             "type": "SYMBOL",
             "name": "_selector"
           },
+          {
+            "type": "SYMBOL",
+            "name": "_descendant_operator"
+          },
           {
             "type": "SYMBOL",
             "name": "_selector"
@@ -274,23 +406,316 @@
       }
     },
     "declaration": {
+      "type": "PREC",
+      "value": 1,
+      "content": {
+        "type": "SEQ",
+        "members": [
+          {
+            "type": "ALIAS",
+            "content": {
+              "type": "SYMBOL",
+              "name": "identifier"
+            },
+            "named": true,
+            "value": "property_name"
+          },
+          {
+            "type": "STRING",
+            "value": ":"
+          },
+          {
+            "type": "REPEAT1",
+            "content": {
+              "type": "SYMBOL",
+              "name": "_value"
+            }
+          },
+          {
+            "type": "STRING",
+            "value": ";"
+          }
+        ]
+      }
+    },
+    "_value": {
+      "type": "CHOICE",
+      "members": [
+        {
+          "type": "ALIAS",
+          "content": {
+            "type": "SYMBOL",
+            "name": "identifier"
+          },
+          "named": true,
+          "value": "value_name"
+        },
+        {
+          "type": "SYMBOL",
+          "name": "color_value"
+        },
+        {
+          "type": "SYMBOL",
+          "name": "integer_value"
+        },
+        {
+          "type": "SYMBOL",
+          "name": "float_value"
+        },
+        {
+          "type": "SYMBOL",
+          "name": "function_value"
+        }
+      ]
+    },
+    "integer_value": {
       "type": "SEQ",
       "members": [
         {
-          "type": "SYMBOL",
-          "name": "property_name"
+          "type": "TOKEN",
+          "content": {
+            "type": "SEQ",
+            "members": [
+              {
+                "type": "CHOICE",
+                "members": [
+                  {
+                    "type": "CHOICE",
+                    "members": [
+                      {
+                        "type": "STRING",
+                        "value": "+"
+                      },
+                      {
+                        "type": "STRING",
+                        "value": "-"
+                      }
+                    ]
+                  },
+                  {
+                    "type": "BLANK"
+                  }
+                ]
+              },
+              {
+                "type": "PATTERN",
+                "value": "\\d+"
+              }
+            ]
+          }
         },
         {
-          "type": "STRING",
-          "value": ":"
+          "type": "CHOICE",
+          "members": [
+            {
+              "type": "SYMBOL",
+              "name": "unit"
+            },
+            {
+              "type": "BLANK"
+            }
+          ]
+        }
+      ]
+    },
+    "float_value": {
+      "type": "SEQ",
+      "members": [
+        {
+          "type": "TOKEN",
+          "content": {
+            "type": "SEQ",
+            "members": [
+              {
+                "type": "CHOICE",
+                "members": [
+                  {
+                    "type": "CHOICE",
+                    "members": [
+                      {
+                        "type": "STRING",
+                        "value": "+"
+                      },
+                      {
+                        "type": "STRING",
+                        "value": "-"
+                      }
+                    ]
+                  },
+                  {
+                    "type": "BLANK"
+                  }
+                ]
+              },
+              {
+                "type": "PATTERN",
+                "value": "\\d*"
+              },
+              {
+                "type": "CHOICE",
+                "members": [
+                  {
+                    "type": "SEQ",
+                    "members": [
+                      {
+                        "type": "STRING",
+                        "value": "."
+                      },
+                      {
+                        "type": "PATTERN",
+                        "value": "\\d+"
+                      }
+                    ]
+                  },
+                  {
+                    "type": "SEQ",
+                    "members": [
+                      {
+                        "type": "STRING",
+                        "value": "e"
+                      },
+                      {
+                        "type": "CHOICE",
+                        "members": [
+                          {
+                            "type": "STRING",
+                            "value": "-"
+                          },
+                          {
+                            "type": "BLANK"
+                          }
+                        ]
+                      },
+                      {
+                        "type": "PATTERN",
+                        "value": "\\d+"
+                      }
+                    ]
+                  },
+                  {
+                    "type": "SEQ",
+                    "members": [
+                      {
+                        "type": "STRING",
+                        "value": "."
+                      },
+                      {
+                        "type": "PATTERN",
+                        "value": "\\d+"
+                      },
+                      {
+                        "type": "STRING",
+                        "value": "e"
+                      },
+                      {
+                        "type": "CHOICE",
+                        "members": [
+                          {
+                            "type": "STRING",
+                            "value": "-"
+                          },
+                          {
+                            "type": "BLANK"
+                          }
+                        ]
+                      },
+                      {
+                        "type": "PATTERN",
+                        "value": "\\d+"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        },
+        {
+          "type": "CHOICE",
+          "members": [
+            {
+              "type": "SYMBOL",
+              "name": "unit"
+            },
+            {
+              "type": "BLANK"
+            }
+          ]
+        }
+      ]
+    },
+    "unit": {
+      "type": "IMMEDIATE_TOKEN",
+      "content": {
+        "type": "PATTERN",
+        "value": "[a-z]+"
+      }
+    },
+    "color_value": {
+      "type": "PATTERN",
+      "value": "#[0-9a-fA-F]{3,6}"
+    },
+    "function_value": {
+      "type": "SEQ",
+      "members": [
+        {
+          "type": "ALIAS",
+          "content": {
+            "type": "SYMBOL",
+            "name": "identifier"
+          },
+          "named": true,
+          "value": "function_name"
         },
         {
           "type": "SYMBOL",
-          "name": "property_value"
+          "name": "arguments"
+        }
+      ]
+    },
+    "arguments": {
+      "type": "SEQ",
+      "members": [
+        {
+          "type": "STRING",
+          "value": "("
+        },
+        {
+          "type": "CHOICE",
+          "members": [
+            {
+              "type": "SEQ",
+              "members": [
+                {
+                  "type": "SYMBOL",
+                  "name": "_value"
+                },
+                {
+                  "type": "REPEAT",
+                  "content": {
+                    "type": "SEQ",
+                    "members": [
+                      {
+                        "type": "STRING",
+                        "value": ","
+                      },
+                      {
+                        "type": "SYMBOL",
+                        "name": "_value"
+                      }
+                    ]
+                  }
+                }
+              ]
+            },
+            {
+              "type": "BLANK"
+            }
+          ]
         },
         {
           "type": "STRING",
-          "value": ";"
+          "value": ")"
         }
       ]
     },
@@ -302,10 +727,6 @@
       "type": "PATTERN",
       "value": "[a-zA-Z-_]+"
     },
-    "property_value": {
-      "type": "PATTERN",
-      "value": "[^;()\\[\\]]+"
-    },
     "comment": {
       "type": "TOKEN",
       "content": {
@@ -356,6 +777,11 @@
     }
   ],
   "conflicts": [],
-  "externals": [],
+  "externals": [
+    {
+      "type": "SYMBOL",
+      "name": "_descendant_operator"
+    }
+  ],
   "inline": []
 }
\ No newline at end of file
diff --git a/src/parser.c b/src/parser.c
index 78d6e96..f5a4eb3 100644
--- a/src/parser.c
+++ b/src/parser.c
@@ -6,65 +6,89 @@
 #endif
 
 #define LANGUAGE_VERSION 9
-#define STATE_COUNT 42
-#define SYMBOL_COUNT 39
-#define ALIAS_COUNT 0
-#define TOKEN_COUNT 23
-#define EXTERNAL_TOKEN_COUNT 0
-#define MAX_ALIAS_SEQUENCE_LENGTH 0
+#define STATE_COUNT 80
+#define SYMBOL_COUNT 53
+#define ALIAS_COUNT 7
+#define TOKEN_COUNT 30
+#define EXTERNAL_TOKEN_COUNT 1
+#define MAX_ALIAS_SEQUENCE_LENGTH 6
 
 enum {
-  sym_import_statement = 1,
-  anon_sym_COMMA = 2,
-  anon_sym_LBRACE = 3,
-  anon_sym_RBRACE = 4,
-  sym_universal_selector = 5,
-  anon_sym_DOT = 6,
-  anon_sym_POUND = 7,
-  anon_sym_LBRACK = 8,
-  anon_sym_LBRACK2 = 9,
-  anon_sym_EQ = 10,
-  anon_sym_TILDE_EQ = 11,
-  anon_sym_CARET_EQ = 12,
-  anon_sym_PIPE_EQ = 13,
-  anon_sym_STAR_EQ = 14,
-  anon_sym_DOLLAR_EQ = 15,
-  anon_sym_RBRACK = 16,
-  anon_sym_GT = 17,
-  anon_sym_COLON = 18,
-  anon_sym_SEMI = 19,
-  sym_identifier = 20,
-  sym_property_value = 21,
-  sym_comment = 22,
-  sym_stylesheet = 23,
-  sym_rule_set = 24,
-  sym_selectors = 25,
-  sym_block = 26,
-  sym__selector = 27,
-  sym_type_selector = 28,
-  sym_class_selector = 29,
-  sym_id_selector = 30,
-  sym_attribute_selector = 31,
-  sym_child_selector = 32,
-  sym_descendant_selector = 33,
-  sym_declaration = 34,
-  sym_property_name = 35,
-  aux_sym_stylesheet_repeat1 = 36,
-  aux_sym_selectors_repeat1 = 37,
-  aux_sym_block_repeat1 = 38,
+  sym__descendant_operator = 1,
+  sym_import_statement = 2,
+  anon_sym_COMMA = 3,
+  anon_sym_LBRACE = 4,
+  anon_sym_RBRACE = 5,
+  sym_nesting_selector = 6,
+  sym_universal_selector = 7,
+  anon_sym_DOT = 8,
+  anon_sym_COLON = 9,
+  anon_sym_COLON_COLON = 10,
+  anon_sym_POUND = 11,
+  anon_sym_LBRACK = 12,
+  anon_sym_EQ = 13,
+  anon_sym_TILDE_EQ = 14,
+  anon_sym_CARET_EQ = 15,
+  anon_sym_PIPE_EQ = 16,
+  anon_sym_STAR_EQ = 17,
+  anon_sym_DOLLAR_EQ = 18,
+  anon_sym_RBRACK = 19,
+  anon_sym_GT = 20,
+  anon_sym_SEMI = 21,
+  aux_sym_SLASH_LPAREN_PLUS_PIPE_DASH_PIPE_RPAREN_BSLASHd_PLUS_SLASH = 22,
+  aux_sym_SLASH_LPAREN_PLUS_PIPE_DASH_PIPE_RPAREN_BSLASHd_STAR_LPAREN_DOT_BSLASHd_PLUS_PIPEe_LPAREN_DASH_PIPE_RPAREN_BSLASHd_PLUS_PIPE_DOT_BSLASHd_PLUSe_LPAREN_DASH_PIPE_RPAREN_BSLASHd_PLUS_RPAREN_SLASH = 23,
+  sym_unit = 24,
+  sym_color_value = 25,
+  anon_sym_LPAREN = 26,
+  anon_sym_RPAREN = 27,
+  sym_identifier = 28,
+  sym_comment = 29,
+  sym_stylesheet = 30,
+  sym_rule_set = 31,
+  sym_selectors = 32,
+  sym_block = 33,
+  sym__selector = 34,
+  sym_class_selector = 35,
+  sym_pseudo_class_selector = 36,
+  sym_pseudo_element_selector = 37,
+  sym_id_selector = 38,
+  sym_attribute_selector = 39,
+  sym_child_selector = 40,
+  sym_descendant_selector = 41,
+  sym_declaration = 42,
+  sym__value = 43,
+  sym_integer_value = 44,
+  sym_float_value = 45,
+  sym_function_value = 46,
+  sym_arguments = 47,
+  aux_sym_stylesheet_repeat1 = 48,
+  aux_sym_selectors_repeat1 = 49,
+  aux_sym_block_repeat1 = 50,
+  aux_sym_declaration_repeat1 = 51,
+  aux_sym_arguments_repeat1 = 52,
+  alias_sym_attribute_name = 53,
+  alias_sym_class_name = 54,
+  alias_sym_function_name = 55,
+  alias_sym_id_name = 56,
+  alias_sym_property_name = 57,
+  alias_sym_tag_name = 58,
+  alias_sym_value_name = 59,
 };
 
 static const char *ts_symbol_names[] = {
+  [sym__descendant_operator] = "_descendant_operator",
   [ts_builtin_sym_end] = "END",
   [sym_import_statement] = "import_statement",
   [anon_sym_COMMA] = ",",
   [anon_sym_LBRACE] = "{",
   [anon_sym_RBRACE] = "}",
+  [sym_nesting_selector] = "nesting_selector",
   [sym_universal_selector] = "universal_selector",
   [anon_sym_DOT] = ".",
+  [anon_sym_COLON] = ":",
+  [anon_sym_COLON_COLON] = "::",
   [anon_sym_POUND] = "#",
   [anon_sym_LBRACK] = "[",
-  [anon_sym_LBRACK2] = "[",
   [anon_sym_EQ] = "=",
   [anon_sym_TILDE_EQ] = "~=",
   [anon_sym_CARET_EQ] = "^=",
@@ -73,30 +97,52 @@ static const char *ts_symbol_names[] = {
   [anon_sym_DOLLAR_EQ] = "$=",
   [anon_sym_RBRACK] = "]",
   [anon_sym_GT] = ">",
-  [anon_sym_COLON] = ":",
   [anon_sym_SEMI] = ";",
+  [aux_sym_SLASH_LPAREN_PLUS_PIPE_DASH_PIPE_RPAREN_BSLASHd_PLUS_SLASH] = "/(+|-|)\\d+/",
+  [aux_sym_SLASH_LPAREN_PLUS_PIPE_DASH_PIPE_RPAREN_BSLASHd_STAR_LPAREN_DOT_BSLASHd_PLUS_PIPEe_LPAREN_DASH_PIPE_RPAREN_BSLASHd_PLUS_PIPE_DOT_BSLASHd_PLUSe_LPAREN_DASH_PIPE_RPAREN_BSLASHd_PLUS_RPAREN_SLASH] = "/(+|-|)\\d*(.\\d+|e(-|)\\d+|.\\d+e(-|)\\d+)/",
+  [sym_unit] = "unit",
+  [sym_color_value] = "color_value",
+  [anon_sym_LPAREN] = "(",
+  [anon_sym_RPAREN] = ")",
   [sym_identifier] = "identifier",
-  [sym_property_value] = "property_value",
   [sym_comment] = "comment",
   [sym_stylesheet] = "stylesheet",
   [sym_rule_set] = "rule_set",
   [sym_selectors] = "selectors",
   [sym_block] = "block",
   [sym__selector] = "_selector",
-  [sym_type_selector] = "type_selector",
   [sym_class_selector] = "class_selector",
+  [sym_pseudo_class_selector] = "pseudo_class_selector",
+  [sym_pseudo_element_selector] = "pseudo_element_selector",
   [sym_id_selector] = "id_selector",
   [sym_attribute_selector] = "attribute_selector",
   [sym_child_selector] = "child_selector",
   [sym_descendant_selector] = "descendant_selector",
   [sym_declaration] = "declaration",
-  [sym_property_name] = "property_name",
+  [sym__value] = "_value",
+  [sym_integer_value] = "integer_value",
+  [sym_float_value] = "float_value",
+  [sym_function_value] = "function_value",
+  [sym_arguments] = "arguments",
   [aux_sym_stylesheet_repeat1] = "stylesheet_repeat1",
   [aux_sym_selectors_repeat1] = "selectors_repeat1",
   [aux_sym_block_repeat1] = "block_repeat1",
+  [aux_sym_declaration_repeat1] = "declaration_repeat1",
+  [aux_sym_arguments_repeat1] = "arguments_repeat1",
+  [alias_sym_attribute_name] = "attribute_name",
+  [alias_sym_class_name] = "class_name",
+  [alias_sym_function_name] = "function_name",
+  [alias_sym_id_name] = "id_name",
+  [alias_sym_property_name] = "property_name",
+  [alias_sym_tag_name] = "tag_name",
+  [alias_sym_value_name] = "value_name",
 };
 
 static const TSSymbolMetadata ts_symbol_metadata[] = {
+  [sym__descendant_operator] = {
+    .visible = false,
+    .named = true,
+  },
   [ts_builtin_sym_end] = {
     .visible = false,
     .named = true,
@@ -117,6 +163,10 @@ static const TSSymbolMetadata ts_symbol_metadata[] = {
     .visible = true,
     .named = false,
   },
+  [sym_nesting_selector] = {
+    .visible = true,
+    .named = true,
+  },
   [sym_universal_selector] = {
     .visible = true,
     .named = true,
@@ -125,6 +175,14 @@ static const TSSymbolMetadata ts_symbol_metadata[] = {
     .visible = true,
     .named = false,
   },
+  [anon_sym_COLON] = {
+    .visible = true,
+    .named = false,
+  },
+  [anon_sym_COLON_COLON] = {
+    .visible = true,
+    .named = false,
+  },
   [anon_sym_POUND] = {
     .visible = true,
     .named = false,
@@ -133,10 +191,6 @@ static const TSSymbolMetadata ts_symbol_metadata[] = {
     .visible = true,
     .named = false,
   },
-  [anon_sym_LBRACK2] = {
-    .visible = true,
-    .named = false,
-  },
   [anon_sym_EQ] = {
     .visible = true,
     .named = false,
@@ -169,19 +223,35 @@ static const TSSymbolMetadata ts_symbol_metadata[] = {
     .visible = true,
     .named = false,
   },
-  [anon_sym_COLON] = {
-    .visible = true,
-    .named = false,
-  },
   [anon_sym_SEMI] = {
     .visible = true,
     .named = false,
   },
-  [sym_identifier] = {
+  [aux_sym_SLASH_LPAREN_PLUS_PIPE_DASH_PIPE_RPAREN_BSLASHd_PLUS_SLASH] = {
+    .visible = false,
+    .named = false,
+  },
+  [aux_sym_SLASH_LPAREN_PLUS_PIPE_DASH_PIPE_RPAREN_BSLASHd_STAR_LPAREN_DOT_BSLASHd_PLUS_PIPEe_LPAREN_DASH_PIPE_RPAREN_BSLASHd_PLUS_PIPE_DOT_BSLASHd_PLUSe_LPAREN_DASH_PIPE_RPAREN_BSLASHd_PLUS_RPAREN_SLASH] = {
+    .visible = false,
+    .named = false,
+  },
+  [sym_unit] = {
     .visible = true,
     .named = true,
   },
-  [sym_property_value] = {
+  [sym_color_value] = {
+    .visible = true,
+    .named = true,
+  },
+  [anon_sym_LPAREN] = {
+    .visible = true,
+    .named = false,
+  },
+  [anon_sym_RPAREN] = {
+    .visible = true,
+    .named = false,
+  },
+  [sym_identifier] = {
     .visible = true,
     .named = true,
   },
@@ -209,11 +279,15 @@ static const TSSymbolMetadata ts_symbol_metadata[] = {
     .visible = false,
     .named = true,
   },
-  [sym_type_selector] = {
+  [sym_class_selector] = {
     .visible = true,
     .named = true,
   },
-  [sym_class_selector] = {
+  [sym_pseudo_class_selector] = {
+    .visible = true,
+    .named = true,
+  },
+  [sym_pseudo_element_selector] = {
     .visible = true,
     .named = true,
   },
@@ -237,7 +311,23 @@ static const TSSymbolMetadata ts_symbol_metadata[] = {
     .visible = true,
     .named = true,
   },
-  [sym_property_name] = {
+  [sym__value] = {
+    .visible = false,
+    .named = true,
+  },
+  [sym_integer_value] = {
+    .visible = true,
+    .named = true,
+  },
+  [sym_float_value] = {
+    .visible = true,
+    .named = true,
+  },
+  [sym_function_value] = {
+    .visible = true,
+    .named = true,
+  },
+  [sym_arguments] = {
     .visible = true,
     .named = true,
   },
@@ -253,6 +343,81 @@ static const TSSymbolMetadata ts_symbol_metadata[] = {
     .visible = false,
     .named = false,
   },
+  [aux_sym_declaration_repeat1] = {
+    .visible = false,
+    .named = false,
+  },
+  [aux_sym_arguments_repeat1] = {
+    .visible = false,
+    .named = false,
+  },
+  [alias_sym_attribute_name] = {
+    .visible = true,
+    .named = true,
+  },
+  [alias_sym_class_name] = {
+    .visible = true,
+    .named = true,
+  },
+  [alias_sym_function_name] = {
+    .visible = true,
+    .named = true,
+  },
+  [alias_sym_id_name] = {
+    .visible = true,
+    .named = true,
+  },
+  [alias_sym_property_name] = {
+    .visible = true,
+    .named = true,
+  },
+  [alias_sym_tag_name] = {
+    .visible = true,
+    .named = true,
+  },
+  [alias_sym_value_name] = {
+    .visible = true,
+    .named = true,
+  },
+};
+
+static TSSymbol ts_alias_sequences[13][MAX_ALIAS_SEQUENCE_LENGTH] = {
+  [1] = {
+    [0] = alias_sym_tag_name,
+  },
+  [2] = {
+    [1] = alias_sym_class_name,
+  },
+  [3] = {
+    [1] = alias_sym_tag_name,
+  },
+  [4] = {
+    [1] = alias_sym_id_name,
+  },
+  [5] = {
+    [1] = alias_sym_attribute_name,
+  },
+  [6] = {
+    [2] = alias_sym_class_name,
+  },
+  [7] = {
+    [2] = alias_sym_tag_name,
+  },
+  [8] = {
+    [2] = alias_sym_id_name,
+  },
+  [9] = {
+    [0] = alias_sym_value_name,
+  },
+  [10] = {
+    [2] = alias_sym_attribute_name,
+  },
+  [11] = {
+    [0] = alias_sym_function_name,
+  },
+  [12] = {
+    [0] = alias_sym_property_name,
+  },
 };
 
 static bool ts_lex(TSLexer *lexer, TSStateId state) {
@@ -265,48 +430,62 @@ static bool ts_lex(TSLexer *lexer, TSStateId state) {
         ADVANCE(2);
       if (lookahead == '$')
         ADVANCE(3);
-      if (lookahead == '*')
+      if (lookahead == '&')
         ADVANCE(5);
-      if (lookahead == ',')
+      if (lookahead == '(')
+        ADVANCE(6);
+      if (lookahead == ')')
         ADVANCE(7);
-      if (lookahead == '.')
+      if (lookahead == '*')
         ADVANCE(8);
-      if (lookahead == '/')
-        ADVANCE(9);
-      if (lookahead == ':')
-        ADVANCE(14);
-      if (lookahead == ';')
-        ADVANCE(15);
-      if (lookahead == '=')
-        ADVANCE(16);
-      if (lookahead == '>')
+      if (lookahead == '+')
+        ADVANCE(10);
+      if (lookahead == ',')
         ADVANCE(17);
-      if (lookahead == '@')
+      if (lookahead == '-')
         ADVANCE(18);
-      if (lookahead == '[')
-        ADVANCE(25);
-      if (lookahead == ']')
-        ADVANCE(26);
-      if (lookahead == '^')
-        ADVANCE(27);
-      if (lookahead == '{')
-        ADVANCE(29);
-      if (lookahead == '|')
+      if (lookahead == '.')
+        ADVANCE(22);
+      if (lookahead == '/')
+        ADVANCE(23);
+      if (lookahead == ':')
+        ADVANCE(28);
+      if (lookahead == ';')
         ADVANCE(30);
-      if (lookahead == '}')
+      if (lookahead == '=')
+        ADVANCE(31);
+      if (lookahead == '>')
         ADVANCE(32);
-      if (lookahead == '~')
+      if (lookahead == '@')
         ADVANCE(33);
+      if (lookahead == '[')
+        ADVANCE(40);
+      if (lookahead == ']')
+        ADVANCE(41);
+      if (lookahead == '^')
+        ADVANCE(42);
+      if (lookahead == 'e')
+        ADVANCE(44);
+      if (lookahead == '{')
+        ADVANCE(46);
+      if (lookahead == '|')
+        ADVANCE(47);
+      if (lookahead == '}')
+        ADVANCE(49);
+      if (lookahead == '~')
+        ADVANCE(50);
       if (lookahead == '\t' ||
           lookahead == '\n' ||
           lookahead == '\r' ||
           lookahead == ' ')
-        SKIP(35);
-      if (lookahead == '-' ||
-          ('A' <= lookahead && lookahead <= 'Z') ||
-          lookahead == '_' ||
-          ('a' <= lookahead && lookahead <= 'z'))
-        ADVANCE(37);
+        SKIP(52);
+      if (('0' <= lookahead && lookahead <= '9'))
+        ADVANCE(16);
+      if (('a' <= lookahead && lookahead <= 'z'))
+        ADVANCE(45);
+      if (('A' <= lookahead && lookahead <= 'Z') ||
+          lookahead == '_')
+        ADVANCE(21);
       END_STATE();
     case 1:
       ACCEPT_TOKEN(ts_builtin_sym_end);
@@ -322,463 +501,696 @@ static bool ts_lex(TSLexer *lexer, TSStateId state) {
       ACCEPT_TOKEN(anon_sym_DOLLAR_EQ);
       END_STATE();
     case 5:
-      ACCEPT_TOKEN(sym_universal_selector);
-      if (lookahead == '=')
-        ADVANCE(6);
+      ACCEPT_TOKEN(sym_nesting_selector);
       END_STATE();
     case 6:
-      ACCEPT_TOKEN(anon_sym_STAR_EQ);
+      ACCEPT_TOKEN(anon_sym_LPAREN);
       END_STATE();
     case 7:
-      ACCEPT_TOKEN(anon_sym_COMMA);
+      ACCEPT_TOKEN(anon_sym_RPAREN);
       END_STATE();
     case 8:
-      ACCEPT_TOKEN(anon_sym_DOT);
+      ACCEPT_TOKEN(sym_universal_selector);
+      if (lookahead == '=')
+        ADVANCE(9);
       END_STATE();
     case 9:
-      if (lookahead == '*')
-        ADVANCE(10);
-      if (lookahead == '/')
-        ADVANCE(13);
+      ACCEPT_TOKEN(anon_sym_STAR_EQ);
       END_STATE();
     case 10:
-      if (lookahead == '*')
+      if (lookahead == '.')
         ADVANCE(11);
-      if (lookahead != 0)
-        ADVANCE(10);
+      if (lookahead == 'e')
+        ADVANCE(13);
+      if (('0' <= lookahead && lookahead <= '9'))
+        ADVANCE(16);
       END_STATE();
     case 11:
-      if (lookahead == '*')
-        ADVANCE(11);
-      if (lookahead == '/')
+      if (('0' <= lookahead && lookahead <= '9'))
         ADVANCE(12);
-      if (lookahead != 0)
-        ADVANCE(10);
       END_STATE();
     case 12:
-      ACCEPT_TOKEN(sym_comment);
+      ACCEPT_TOKEN(aux_sym_SLASH_LPAREN_PLUS_PIPE_DASH_PIPE_RPAREN_BSLASHd_STAR_LPAREN_DOT_BSLASHd_PLUS_PIPEe_LPAREN_DASH_PIPE_RPAREN_BSLASHd_PLUS_PIPE_DOT_BSLASHd_PLUSe_LPAREN_DASH_PIPE_RPAREN_BSLASHd_PLUS_RPAREN_SLASH);
+      if (lookahead == 'e')
+        ADVANCE(13);
+      if (('0' <= lookahead && lookahead <= '9'))
+        ADVANCE(12);
       END_STATE();
     case 13:
-      ACCEPT_TOKEN(sym_comment);
-      if (lookahead != 0 &&
-          lookahead != '\n')
-        ADVANCE(13);
+      if (lookahead == '-')
+        ADVANCE(14);
+      if (('0' <= lookahead && lookahead <= '9'))
+        ADVANCE(15);
       END_STATE();
     case 14:
-      ACCEPT_TOKEN(anon_sym_COLON);
+      if (('0' <= lookahead && lookahead <= '9'))
+        ADVANCE(15);
       END_STATE();
     case 15:
-      ACCEPT_TOKEN(anon_sym_SEMI);
+      ACCEPT_TOKEN(aux_sym_SLASH_LPAREN_PLUS_PIPE_DASH_PIPE_RPAREN_BSLASHd_STAR_LPAREN_DOT_BSLASHd_PLUS_PIPEe_LPAREN_DASH_PIPE_RPAREN_BSLASHd_PLUS_PIPE_DOT_BSLASHd_PLUSe_LPAREN_DASH_PIPE_RPAREN_BSLASHd_PLUS_RPAREN_SLASH);
+      if (('0' <= lookahead && lookahead <= '9'))
+        ADVANCE(15);
       END_STATE();
     case 16:
-      ACCEPT_TOKEN(anon_sym_EQ);
+      ACCEPT_TOKEN(aux_sym_SLASH_LPAREN_PLUS_PIPE_DASH_PIPE_RPAREN_BSLASHd_PLUS_SLASH);
+      if (lookahead == '.')
+        ADVANCE(11);
+      if (lookahead == 'e')
+        ADVANCE(13);
+      if (('0' <= lookahead && lookahead <= '9'))
+        ADVANCE(16);
       END_STATE();
     case 17:
-      ACCEPT_TOKEN(anon_sym_GT);
+      ACCEPT_TOKEN(anon_sym_COMMA);
       END_STATE();
     case 18:
-      if (lookahead == 'i')
-        ADVANCE(19);
-      END_STATE();
-    case 19:
-      if (lookahead == 'm')
-        ADVANCE(20);
-      END_STATE();
-    case 20:
-      if (lookahead == 'p')
-        ADVANCE(21);
-      END_STATE();
-    case 21:
-      if (lookahead == 'o')
-        ADVANCE(22);
-      END_STATE();
-    case 22:
-      if (lookahead == 'r')
-        ADVANCE(23);
-      END_STATE();
-    case 23:
-      if (lookahead == 't')
-        ADVANCE(24);
-      END_STATE();
-    case 24:
-      ACCEPT_TOKEN(sym_import_statement);
-      END_STATE();
-    case 25:
-      ACCEPT_TOKEN(anon_sym_LBRACK2);
-      END_STATE();
-    case 26:
-      ACCEPT_TOKEN(anon_sym_RBRACK);
-      END_STATE();
-    case 27:
-      if (lookahead == '=')
-        ADVANCE(28);
-      END_STATE();
-    case 28:
-      ACCEPT_TOKEN(anon_sym_CARET_EQ);
-      END_STATE();
-    case 29:
-      ACCEPT_TOKEN(anon_sym_LBRACE);
-      END_STATE();
-    case 30:
-      if (lookahead == '=')
-        ADVANCE(31);
-      END_STATE();
-    case 31:
-      ACCEPT_TOKEN(anon_sym_PIPE_EQ);
-      END_STATE();
-    case 32:
-      ACCEPT_TOKEN(anon_sym_RBRACE);
-      END_STATE();
-    case 33:
-      if (lookahead == '=')
-        ADVANCE(34);
-      END_STATE();
-    case 34:
-      ACCEPT_TOKEN(anon_sym_TILDE_EQ);
-      END_STATE();
-    case 35:
-      if (lookahead == 0)
-        ADVANCE(1);
-      if (lookahead == '#')
-        ADVANCE(2);
-      if (lookahead == '$')
-        ADVANCE(3);
-      if (lookahead == '*')
-        ADVANCE(5);
-      if (lookahead == ',')
-        ADVANCE(7);
+      ACCEPT_TOKEN(sym_identifier);
       if (lookahead == '.')
-        ADVANCE(8);
-      if (lookahead == '/')
-        ADVANCE(9);
-      if (lookahead == ':')
-        ADVANCE(14);
-      if (lookahead == ';')
-        ADVANCE(15);
-      if (lookahead == '=')
+        ADVANCE(11);
+      if (lookahead == 'e')
+        ADVANCE(19);
+      if (('0' <= lookahead && lookahead <= '9'))
         ADVANCE(16);
-      if (lookahead == '>')
-        ADVANCE(17);
-      if (lookahead == '@')
-        ADVANCE(18);
-      if (lookahead == '[')
-        ADVANCE(36);
-      if (lookahead == ']')
-        ADVANCE(26);
-      if (lookahead == '^')
-        ADVANCE(27);
-      if (lookahead == '{')
-        ADVANCE(29);
-      if (lookahead == '|')
-        ADVANCE(30);
-      if (lookahead == '}')
-        ADVANCE(32);
-      if (lookahead == '~')
-        ADVANCE(33);
-      if (lookahead == '\t' ||
-          lookahead == '\n' ||
-          lookahead == '\r' ||
-          lookahead == ' ')
-        SKIP(35);
       if (lookahead == '-' ||
           ('A' <= lookahead && lookahead <= 'Z') ||
           lookahead == '_' ||
           ('a' <= lookahead && lookahead <= 'z'))
-        ADVANCE(37);
+        ADVANCE(21);
       END_STATE();
-    case 36:
-      ACCEPT_TOKEN(anon_sym_LBRACK);
+    case 19:
+      ACCEPT_TOKEN(sym_identifier);
+      if (lookahead == '-')
+        ADVANCE(20);
+      if (('0' <= lookahead && lookahead <= '9'))
+        ADVANCE(15);
+      if (('A' <= lookahead && lookahead <= 'Z') ||
+          lookahead == '_' ||
+          ('a' <= lookahead && lookahead <= 'z'))
+        ADVANCE(21);
       END_STATE();
-    case 37:
+    case 20:
+      ACCEPT_TOKEN(sym_identifier);
+      if (('0' <= lookahead && lookahead <= '9'))
+        ADVANCE(15);
+      if (lookahead == '-' ||
+          ('A' <= lookahead && lookahead <= 'Z') ||
+          lookahead == '_' ||
+          ('a' <= lookahead && lookahead <= 'z'))
+        ADVANCE(21);
+      END_STATE();
+    case 21:
       ACCEPT_TOKEN(sym_identifier);
       if (lookahead == '-' ||
           ('A' <= lookahead && lookahead <= 'Z') ||
           lookahead == '_' ||
           ('a' <= lookahead && lookahead <= 'z'))
+        ADVANCE(21);
+      END_STATE();
+    case 22:
+      ACCEPT_TOKEN(anon_sym_DOT);
+      if (('0' <= lookahead && lookahead <= '9'))
+        ADVANCE(12);
+      END_STATE();
+    case 23:
+      if (lookahead == '*')
+        ADVANCE(24);
+      if (lookahead == '/')
+        ADVANCE(27);
+      END_STATE();
+    case 24:
+      if (lookahead == '*')
+        ADVANCE(25);
+      if (lookahead != 0)
+        ADVANCE(24);
+      END_STATE();
+    case 25:
+      if (lookahead == '*')
+        ADVANCE(25);
+      if (lookahead == '/')
+        ADVANCE(26);
+      if (lookahead != 0)
+        ADVANCE(24);
+      END_STATE();
+    case 26:
+      ACCEPT_TOKEN(sym_comment);
+      END_STATE();
+    case 27:
+      ACCEPT_TOKEN(sym_comment);
+      if (lookahead != 0 &&
+          lookahead != '\n')
+        ADVANCE(27);
+      END_STATE();
+    case 28:
+      ACCEPT_TOKEN(anon_sym_COLON);
+      if (lookahead == ':')
+        ADVANCE(29);
+      END_STATE();
+    case 29:
+      ACCEPT_TOKEN(anon_sym_COLON_COLON);
+      END_STATE();
+    case 30:
+      ACCEPT_TOKEN(anon_sym_SEMI);
+      END_STATE();
+    case 31:
+      ACCEPT_TOKEN(anon_sym_EQ);
+      END_STATE();
+    case 32:
+      ACCEPT_TOKEN(anon_sym_GT);
+      END_STATE();
+    case 33:
+      if (lookahead == 'i')
+        ADVANCE(34);
+      END_STATE();
+    case 34:
+      if (lookahead == 'm')
+        ADVANCE(35);
+      END_STATE();
+    case 35:
+      if (lookahead == 'p')
+        ADVANCE(36);
+      END_STATE();
+    case 36:
+      if (lookahead == 'o')
         ADVANCE(37);
       END_STATE();
+    case 37:
+      if (lookahead == 'r')
+        ADVANCE(38);
+      END_STATE();
     case 38:
-      if (lookahead == 0)
-        ADVANCE(1);
-      if (lookahead == '#')
-        ADVANCE(2);
-      if (lookahead == '*')
+      if (lookahead == 't')
         ADVANCE(39);
-      if (lookahead == '.')
-        ADVANCE(8);
-      if (lookahead == '/')
-        ADVANCE(9);
-      if (lookahead == '@')
-        ADVANCE(18);
-      if (lookahead == '[')
-        ADVANCE(36);
-      if (lookahead == '\t' ||
-          lookahead == '\n' ||
-          lookahead == '\r' ||
-          lookahead == ' ')
-        SKIP(38);
-      if (lookahead == '-' ||
-          ('A' <= lookahead && lookahead <= 'Z') ||
-          lookahead == '_' ||
-          ('a' <= lookahead && lookahead <= 'z'))
-        ADVANCE(37);
       END_STATE();
     case 39:
-      ACCEPT_TOKEN(sym_universal_selector);
+      ACCEPT_TOKEN(sym_import_statement);
       END_STATE();
     case 40:
-      if (lookahead == '#')
-        ADVANCE(2);
-      if (lookahead == '*')
-        ADVANCE(39);
-      if (lookahead == ',')
-        ADVANCE(7);
-      if (lookahead == '.')
-        ADVANCE(8);
-      if (lookahead == '/')
-        ADVANCE(9);
-      if (lookahead == '>')
-        ADVANCE(17);
-      if (lookahead == '[')
-        ADVANCE(25);
-      if (lookahead == '{')
-        ADVANCE(29);
-      if (lookahead == '\t' ||
-          lookahead == '\n' ||
-          lookahead == '\r' ||
-          lookahead == ' ')
-        SKIP(41);
-      if (lookahead == '-' ||
-          ('A' <= lookahead && lookahead <= 'Z') ||
-          lookahead == '_' ||
-          ('a' <= lookahead && lookahead <= 'z'))
-        ADVANCE(37);
+      ACCEPT_TOKEN(anon_sym_LBRACK);
       END_STATE();
     case 41:
+      ACCEPT_TOKEN(anon_sym_RBRACK);
+      END_STATE();
+    case 42:
+      if (lookahead == '=')
+        ADVANCE(43);
+      END_STATE();
+    case 43:
+      ACCEPT_TOKEN(anon_sym_CARET_EQ);
+      END_STATE();
+    case 44:
+      ACCEPT_TOKEN(sym_unit);
+      if (lookahead == '-')
+        ADVANCE(20);
+      if (('0' <= lookahead && lookahead <= '9'))
+        ADVANCE(15);
+      if (('a' <= lookahead && lookahead <= 'z'))
+        ADVANCE(45);
+      if (('A' <= lookahead && lookahead <= 'Z') ||
+          lookahead == '_')
+        ADVANCE(21);
+      END_STATE();
+    case 45:
+      ACCEPT_TOKEN(sym_unit);
+      if (('a' <= lookahead && lookahead <= 'z'))
+        ADVANCE(45);
+      if (lookahead == '-' ||
+          ('A' <= lookahead && lookahead <= 'Z') ||
+          lookahead == '_')
+        ADVANCE(21);
+      END_STATE();
+    case 46:
+      ACCEPT_TOKEN(anon_sym_LBRACE);
+      END_STATE();
+    case 47:
+      if (lookahead == '=')
+        ADVANCE(48);
+      END_STATE();
+    case 48:
+      ACCEPT_TOKEN(anon_sym_PIPE_EQ);
+      END_STATE();
+    case 49:
+      ACCEPT_TOKEN(anon_sym_RBRACE);
+      END_STATE();
+    case 50:
+      if (lookahead == '=')
+        ADVANCE(51);
+      END_STATE();
+    case 51:
+      ACCEPT_TOKEN(anon_sym_TILDE_EQ);
+      END_STATE();
+    case 52:
+      if (lookahead == 0)
+        ADVANCE(1);
       if (lookahead == '#')
         ADVANCE(2);
-      if (lookahead == '*')
-        ADVANCE(39);
-      if (lookahead == ',')
+      if (lookahead == '$')
+        ADVANCE(3);
+      if (lookahead == '&')
+        ADVANCE(5);
+      if (lookahead == '(')
+        ADVANCE(6);
+      if (lookahead == ')')
         ADVANCE(7);
-      if (lookahead == '.')
+      if (lookahead == '*')
         ADVANCE(8);
-      if (lookahead == '/')
-        ADVANCE(9);
-      if (lookahead == '>')
+      if (lookahead == '+')
+        ADVANCE(10);
+      if (lookahead == ',')
         ADVANCE(17);
+      if (lookahead == '-')
+        ADVANCE(18);
+      if (lookahead == '.')
+        ADVANCE(22);
+      if (lookahead == '/')
+        ADVANCE(23);
+      if (lookahead == ':')
+        ADVANCE(28);
+      if (lookahead == ';')
+        ADVANCE(30);
+      if (lookahead == '=')
+        ADVANCE(31);
+      if (lookahead == '>')
+        ADVANCE(32);
+      if (lookahead == '@')
+        ADVANCE(33);
       if (lookahead == '[')
-        ADVANCE(36);
+        ADVANCE(40);
+      if (lookahead == ']')
+        ADVANCE(41);
+      if (lookahead == '^')
+        ADVANCE(42);
+      if (lookahead == 'e')
+        ADVANCE(19);
       if (lookahead == '{')
-        ADVANCE(29);
+        ADVANCE(46);
+      if (lookahead == '|')
+        ADVANCE(47);
+      if (lookahead == '}')
+        ADVANCE(49);
+      if (lookahead == '~')
+        ADVANCE(50);
       if (lookahead == '\t' ||
           lookahead == '\n' ||
           lookahead == '\r' ||
           lookahead == ' ')
-        SKIP(41);
+        SKIP(52);
+      if (('0' <= lookahead && lookahead <= '9'))
+        ADVANCE(16);
+      if (('A' <= lookahead && lookahead <= 'Z') ||
+          lookahead == '_' ||
+          ('a' <= lookahead && lookahead <= 'z'))
+        ADVANCE(21);
+      END_STATE();
+    case 53:
+      if (lookahead == 0)
+        ADVANCE(1);
+      if (lookahead == '#')
+        ADVANCE(2);
+      if (lookahead == '&')
+        ADVANCE(5);
+      if (lookahead == '*')
+        ADVANCE(54);
+      if (lookahead == '.')
+        ADVANCE(55);
+      if (lookahead == '/')
+        ADVANCE(23);
+      if (lookahead == ':')
+        ADVANCE(28);
+      if (lookahead == '@')
+        ADVANCE(33);
+      if (lookahead == '[')
+        ADVANCE(40);
+      if (lookahead == '\t' ||
+          lookahead == '\n' ||
+          lookahead == '\r' ||
+          lookahead == ' ')
+        SKIP(53);
       if (lookahead == '-' ||
           ('A' <= lookahead && lookahead <= 'Z') ||
           lookahead == '_' ||
           ('a' <= lookahead && lookahead <= 'z'))
-        ADVANCE(37);
+        ADVANCE(21);
       END_STATE();
-    case 42:
+    case 54:
+      ACCEPT_TOKEN(sym_universal_selector);
+      END_STATE();
+    case 55:
+      ACCEPT_TOKEN(anon_sym_DOT);
+      END_STATE();
+    case 56:
+      if (lookahead == '#')
+        ADVANCE(2);
+      if (lookahead == ',')
+        ADVANCE(17);
+      if (lookahead == '.')
+        ADVANCE(55);
+      if (lookahead == '/')
+        ADVANCE(23);
+      if (lookahead == ':')
+        ADVANCE(28);
+      if (lookahead == '>')
+        ADVANCE(32);
+      if (lookahead == '[')
+        ADVANCE(40);
+      if (lookahead == '{')
+        ADVANCE(46);
+      if (lookahead == '\t' ||
+          lookahead == '\n' ||
+          lookahead == '\r' ||
+          lookahead == ' ')
+        SKIP(56);
+      END_STATE();
+    case 57:
       if (lookahead == 0)
         ADVANCE(1);
       if (lookahead == '/')
-        ADVANCE(9);
+        ADVANCE(23);
       if (lookahead == '\t' ||
           lookahead == '\n' ||
           lookahead == '\r' ||
           lookahead == ' ')
-        SKIP(42);
+        SKIP(57);
       END_STATE();
-    case 43:
-      if (lookahead == '$')
-        ADVANCE(3);
-      if (lookahead == '*')
-        ADVANCE(44);
-      if (lookahead == '/')
-        ADVANCE(9);
-      if (lookahead == ':')
-        ADVANCE(14);
-      if (lookahead == '=')
-        ADVANCE(16);
-      if (lookahead == ']')
-        ADVANCE(26);
-      if (lookahead == '^')
-        ADVANCE(27);
-      if (lookahead == '|')
-        ADVANCE(30);
-      if (lookahead == '~')
-        ADVANCE(33);
-      if (lookahead == '\t' ||
-          lookahead == '\n' ||
-          lookahead == '\r' ||
-          lookahead == ' ')
-        SKIP(43);
-      END_STATE();
-    case 44:
-      if (lookahead == '=')
+    case 58:
+      if (lookahead == '#')
+        ADVANCE(2);
+      if (lookahead == '(')
         ADVANCE(6);
+      if (lookahead == ',')
+        ADVANCE(17);
+      if (lookahead == '.')
+        ADVANCE(55);
+      if (lookahead == '/')
+        ADVANCE(23);
+      if (lookahead == ':')
+        ADVANCE(28);
+      if (lookahead == '>')
+        ADVANCE(32);
+      if (lookahead == '[')
+        ADVANCE(40);
+      if (lookahead == '{')
+        ADVANCE(46);
+      if (lookahead == '\t' ||
+          lookahead == '\n' ||
+          lookahead == '\r' ||
+          lookahead == ' ')
+        SKIP(58);
       END_STATE();
-    case 45:
+    case 59:
       if (lookahead == '$')
         ADVANCE(3);
       if (lookahead == '*')
-        ADVANCE(44);
+        ADVANCE(60);
       if (lookahead == '/')
-        ADVANCE(9);
+        ADVANCE(23);
       if (lookahead == '=')
-        ADVANCE(16);
+        ADVANCE(31);
       if (lookahead == ']')
-        ADVANCE(26);
+        ADVANCE(41);
       if (lookahead == '^')
-        ADVANCE(27);
+        ADVANCE(42);
       if (lookahead == '|')
-        ADVANCE(30);
+        ADVANCE(47);
       if (lookahead == '~')
-        ADVANCE(33);
+        ADVANCE(50);
       if (lookahead == '\t' ||
           lookahead == '\n' ||
           lookahead == '\r' ||
           lookahead == ' ')
-        SKIP(45);
+        SKIP(59);
       END_STATE();
-    case 46:
-      if (lookahead == '/')
+    case 60:
+      if (lookahead == '=')
         ADVANCE(9);
+      END_STATE();
+    case 61:
+      if (lookahead == '#')
+        ADVANCE(2);
+      if (lookahead == '&')
+        ADVANCE(5);
+      if (lookahead == '*')
+        ADVANCE(54);
+      if (lookahead == '.')
+        ADVANCE(55);
+      if (lookahead == '/')
+        ADVANCE(23);
+      if (lookahead == ':')
+        ADVANCE(28);
+      if (lookahead == '[')
+        ADVANCE(40);
       if (lookahead == '}')
-        ADVANCE(32);
+        ADVANCE(49);
       if (lookahead == '\t' ||
           lookahead == '\n' ||
           lookahead == '\r' ||
           lookahead == ' ')
-        SKIP(46);
+        SKIP(61);
       if (lookahead == '-' ||
           ('A' <= lookahead && lookahead <= 'Z') ||
           lookahead == '_' ||
           ('a' <= lookahead && lookahead <= 'z'))
-        ADVANCE(37);
+        ADVANCE(21);
       END_STATE();
-    case 47:
-      if (lookahead == '/')
-        ADVANCE(48);
-      if (lookahead == '\t' ||
-          lookahead == '\n' ||
-          lookahead == '\r' ||
-          lookahead == ' ')
-        ADVANCE(53);
-      if (lookahead != 0 &&
-          lookahead != '(' &&
-          lookahead != ')' &&
-          lookahead != ';' &&
-          lookahead != '[' &&
-          lookahead != ']')
-        ADVANCE(51);
-      END_STATE();
-    case 48:
-      ACCEPT_TOKEN(sym_property_value);
+    case 62:
+      if (lookahead == 0)
+        ADVANCE(1);
+      if (lookahead == '#')
+        ADVANCE(2);
+      if (lookahead == '&')
+        ADVANCE(5);
       if (lookahead == '*')
-        ADVANCE(49);
+        ADVANCE(54);
+      if (lookahead == '.')
+        ADVANCE(55);
       if (lookahead == '/')
-        ADVANCE(52);
-      if (lookahead != 0 &&
-          (lookahead < '(' || lookahead > '*') &&
-          lookahead != ';' &&
-          lookahead != '[' &&
-          lookahead != ']')
-        ADVANCE(51);
-      END_STATE();
-    case 49:
-      ACCEPT_TOKEN(sym_property_value);
-      if (lookahead == '*')
-        ADVANCE(50);
-      if (lookahead == '(' ||
-          lookahead == ')' ||
-          lookahead == ';' ||
-          lookahead == '[' ||
-          lookahead == ']')
-        ADVANCE(10);
-      if (lookahead != 0)
-        ADVANCE(49);
-      END_STATE();
-    case 50:
-      ACCEPT_TOKEN(sym_property_value);
-      if (lookahead == '*')
-        ADVANCE(50);
-      if (lookahead == '/')
-        ADVANCE(51);
-      if (lookahead == '(' ||
-          lookahead == ')' ||
-          lookahead == ';' ||
-          lookahead == '[' ||
-          lookahead == ']')
-        ADVANCE(10);
-      if (lookahead != 0)
-        ADVANCE(49);
-      END_STATE();
-    case 51:
-      ACCEPT_TOKEN(sym_property_value);
-      if (lookahead != 0 &&
-          lookahead != '(' &&
-          lookahead != ')' &&
-          lookahead != ';' &&
-          lookahead != '[' &&
-          lookahead != ']')
-        ADVANCE(51);
-      END_STATE();
-    case 52:
-      ACCEPT_TOKEN(sym_property_value);
-      if (lookahead == '\n')
-        ADVANCE(51);
-      if (lookahead == '(' ||
-          lookahead == ')' ||
-          lookahead == ';' ||
-          lookahead == '[' ||
-          lookahead == ']')
-        ADVANCE(13);
-      if (lookahead != 0)
-        ADVANCE(52);
-      END_STATE();
-    case 53:
-      ACCEPT_TOKEN(sym_property_value);
-      if (lookahead == '/')
-        ADVANCE(48);
-      if (lookahead == '\t' ||
-          lookahead == '\n' ||
-          lookahead == '\r' ||
-          lookahead == ' ')
-        ADVANCE(53);
-      if (lookahead != 0 &&
-          lookahead != '(' &&
-          lookahead != ')' &&
-          lookahead != ';' &&
-          lookahead != '[' &&
-          lookahead != ']')
-        ADVANCE(51);
-      END_STATE();
-    case 54:
-      if (lookahead == '/')
-        ADVANCE(9);
+        ADVANCE(23);
       if (lookahead == ':')
-        ADVANCE(14);
+        ADVANCE(28);
+      if (lookahead == '@')
+        ADVANCE(33);
+      if (lookahead == '[')
+        ADVANCE(40);
+      if (lookahead == '}')
+        ADVANCE(49);
       if (lookahead == '\t' ||
           lookahead == '\n' ||
           lookahead == '\r' ||
           lookahead == ' ')
-        SKIP(54);
+        SKIP(62);
+      if (lookahead == '-' ||
+          ('A' <= lookahead && lookahead <= 'Z') ||
+          lookahead == '_' ||
+          ('a' <= lookahead && lookahead <= 'z'))
+        ADVANCE(21);
       END_STATE();
-    case 55:
+    case 63:
+      if (lookahead == '#')
+        ADVANCE(64);
+      if (lookahead == ')')
+        ADVANCE(7);
+      if (lookahead == '+')
+        ADVANCE(10);
+      if (lookahead == '-')
+        ADVANCE(18);
+      if (lookahead == '.')
+        ADVANCE(11);
       if (lookahead == '/')
-        ADVANCE(9);
-      if (lookahead == ';')
-        ADVANCE(15);
+        ADVANCE(23);
+      if (lookahead == 'e')
+        ADVANCE(19);
       if (lookahead == '\t' ||
           lookahead == '\n' ||
           lookahead == '\r' ||
           lookahead == ' ')
-        SKIP(55);
+        SKIP(63);
+      if (('0' <= lookahead && lookahead <= '9'))
+        ADVANCE(16);
+      if (('A' <= lookahead && lookahead <= 'Z') ||
+          lookahead == '_' ||
+          ('a' <= lookahead && lookahead <= 'z'))
+        ADVANCE(21);
+      END_STATE();
+    case 64:
+      if (('0' <= lookahead && lookahead <= '9') ||
+          ('A' <= lookahead && lookahead <= 'F') ||
+          ('a' <= lookahead && lookahead <= 'f'))
+        ADVANCE(65);
+      END_STATE();
+    case 65:
+      if (('0' <= lookahead && lookahead <= '9') ||
+          ('A' <= lookahead && lookahead <= 'F') ||
+          ('a' <= lookahead && lookahead <= 'f'))
+        ADVANCE(66);
+      END_STATE();
+    case 66:
+      if (('0' <= lookahead && lookahead <= '9') ||
+          ('A' <= lookahead && lookahead <= 'F') ||
+          ('a' <= lookahead && lookahead <= 'f'))
+        ADVANCE(67);
+      END_STATE();
+    case 67:
+      ACCEPT_TOKEN(sym_color_value);
+      if (('0' <= lookahead && lookahead <= '9') ||
+          ('A' <= lookahead && lookahead <= 'F') ||
+          ('a' <= lookahead && lookahead <= 'f'))
+        ADVANCE(68);
+      END_STATE();
+    case 68:
+      ACCEPT_TOKEN(sym_color_value);
+      if (('0' <= lookahead && lookahead <= '9') ||
+          ('A' <= lookahead && lookahead <= 'F') ||
+          ('a' <= lookahead && lookahead <= 'f'))
+        ADVANCE(69);
+      END_STATE();
+    case 69:
+      ACCEPT_TOKEN(sym_color_value);
+      if (('0' <= lookahead && lookahead <= '9') ||
+          ('A' <= lookahead && lookahead <= 'F') ||
+          ('a' <= lookahead && lookahead <= 'f'))
+        ADVANCE(70);
+      END_STATE();
+    case 70:
+      ACCEPT_TOKEN(sym_color_value);
+      END_STATE();
+    case 71:
+      if (lookahead == ')')
+        ADVANCE(7);
+      if (lookahead == ',')
+        ADVANCE(17);
+      if (lookahead == '/')
+        ADVANCE(23);
+      if (lookahead == ']')
+        ADVANCE(41);
+      if (lookahead == '\t' ||
+          lookahead == '\n' ||
+          lookahead == '\r' ||
+          lookahead == ' ')
+        SKIP(72);
+      if (('a' <= lookahead && lookahead <= 'z'))
+        ADVANCE(73);
+      END_STATE();
+    case 72:
+      if (lookahead == ')')
+        ADVANCE(7);
+      if (lookahead == ',')
+        ADVANCE(17);
+      if (lookahead == '/')
+        ADVANCE(23);
+      if (lookahead == ']')
+        ADVANCE(41);
+      if (lookahead == '\t' ||
+          lookahead == '\n' ||
+          lookahead == '\r' ||
+          lookahead == ' ')
+        SKIP(72);
+      END_STATE();
+    case 73:
+      ACCEPT_TOKEN(sym_unit);
+      if (('a' <= lookahead && lookahead <= 'z'))
+        ADVANCE(73);
+      END_STATE();
+    case 74:
+      if (lookahead == '#')
+        ADVANCE(64);
+      if (lookahead == '(')
+        ADVANCE(6);
+      if (lookahead == ')')
+        ADVANCE(7);
+      if (lookahead == '+')
+        ADVANCE(10);
+      if (lookahead == ',')
+        ADVANCE(17);
+      if (lookahead == '-')
+        ADVANCE(18);
+      if (lookahead == '.')
+        ADVANCE(11);
+      if (lookahead == '/')
+        ADVANCE(23);
+      if (lookahead == ';')
+        ADVANCE(30);
+      if (lookahead == ']')
+        ADVANCE(41);
+      if (lookahead == 'e')
+        ADVANCE(19);
+      if (lookahead == '\t' ||
+          lookahead == '\n' ||
+          lookahead == '\r' ||
+          lookahead == ' ')
+        SKIP(74);
+      if (('0' <= lookahead && lookahead <= '9'))
+        ADVANCE(16);
+      if (('A' <= lookahead && lookahead <= 'Z') ||
+          lookahead == '_' ||
+          ('a' <= lookahead && lookahead <= 'z'))
+        ADVANCE(21);
+      END_STATE();
+    case 75:
+      if (lookahead == ')')
+        ADVANCE(7);
+      if (lookahead == ',')
+        ADVANCE(17);
+      if (lookahead == '/')
+        ADVANCE(23);
+      if (lookahead == '\t' ||
+          lookahead == '\n' ||
+          lookahead == '\r' ||
+          lookahead == ' ')
+        SKIP(75);
+      END_STATE();
+    case 76:
+      if (lookahead == '#')
+        ADVANCE(64);
+      if (lookahead == '+')
+        ADVANCE(10);
+      if (lookahead == '-')
+        ADVANCE(18);
+      if (lookahead == '.')
+        ADVANCE(11);
+      if (lookahead == '/')
+        ADVANCE(23);
+      if (lookahead == ';')
+        ADVANCE(30);
+      if (lookahead == 'e')
+        ADVANCE(44);
+      if (lookahead == '\t' ||
+          lookahead == '\n' ||
+          lookahead == '\r' ||
+          lookahead == ' ')
+        SKIP(77);
+      if (('0' <= lookahead && lookahead <= '9'))
+        ADVANCE(16);
+      if (('a' <= lookahead && lookahead <= 'z'))
+        ADVANCE(45);
+      if (('A' <= lookahead && lookahead <= 'Z') ||
+          lookahead == '_')
+        ADVANCE(21);
+      END_STATE();
+    case 77:
+      if (lookahead == '#')
+        ADVANCE(64);
+      if (lookahead == '+')
+        ADVANCE(10);
+      if (lookahead == '-')
+        ADVANCE(18);
+      if (lookahead == '.')
+        ADVANCE(11);
+      if (lookahead == '/')
+        ADVANCE(23);
+      if (lookahead == ';')
+        ADVANCE(30);
+      if (lookahead == 'e')
+        ADVANCE(19);
+      if (lookahead == '\t' ||
+          lookahead == '\n' ||
+          lookahead == '\r' ||
+          lookahead == ' ')
+        SKIP(77);
+      if (('0' <= lookahead && lookahead <= '9'))
+        ADVANCE(16);
+      if (('A' <= lookahead && lookahead <= 'Z') ||
+          lookahead == '_' ||
+          ('a' <= lookahead && lookahead <= 'z'))
+        ADVANCE(21);
       END_STATE();
     default:
       return false;
@@ -786,62 +1198,117 @@ static bool ts_lex(TSLexer *lexer, TSStateId state) {
 }
 
 static TSLexMode ts_lex_modes[STATE_COUNT] = {
-  [0] = {.lex_state = 0},
-  [1] = {.lex_state = 38},
-  [2] = {.lex_state = 38},
-  [3] = {.lex_state = 38},
-  [4] = {.lex_state = 38},
-  [5] = {.lex_state = 40},
-  [6] = {.lex_state = 42},
-  [7] = {.lex_state = 40},
-  [8] = {.lex_state = 40},
-  [9] = {.lex_state = 38},
-  [10] = {.lex_state = 40},
-  [11] = {.lex_state = 40},
-  [12] = {.lex_state = 43},
-  [13] = {.lex_state = 45},
-  [14] = {.lex_state = 46},
-  [15] = {.lex_state = 38},
-  [16] = {.lex_state = 38},
-  [17] = {.lex_state = 38},
-  [18] = {.lex_state = 38},
-  [19] = {.lex_state = 40},
-  [20] = {.lex_state = 40},
-  [21] = {.lex_state = 38},
-  [22] = {.lex_state = 47},
-  [23] = {.lex_state = 40},
-  [24] = {.lex_state = 38},
-  [25] = {.lex_state = 54},
-  [26] = {.lex_state = 46},
-  [27] = {.lex_state = 40},
-  [28] = {.lex_state = 45},
-  [29] = {.lex_state = 40},
-  [30] = {.lex_state = 40},
-  [31] = {.lex_state = 45},
-  [32] = {.lex_state = 47},
-  [33] = {.lex_state = 38},
-  [34] = {.lex_state = 46},
-  [35] = {.lex_state = 47},
-  [36] = {.lex_state = 40},
-  [37] = {.lex_state = 40},
-  [38] = {.lex_state = 55},
-  [39] = {.lex_state = 45},
-  [40] = {.lex_state = 46},
-  [41] = {.lex_state = 40},
+  [0] = {.lex_state = 0, .external_lex_state = 1},
+  [1] = {.lex_state = 53},
+  [2] = {.lex_state = 53},
+  [3] = {.lex_state = 53},
+  [4] = {.lex_state = 53},
+  [5] = {.lex_state = 53},
+  [6] = {.lex_state = 53},
+  [7] = {.lex_state = 56, .external_lex_state = 1},
+  [8] = {.lex_state = 57},
+  [9] = {.lex_state = 56},
+  [10] = {.lex_state = 56, .external_lex_state = 1},
+  [11] = {.lex_state = 53},
+  [12] = {.lex_state = 56, .external_lex_state = 1},
+  [13] = {.lex_state = 58, .external_lex_state = 1},
+  [14] = {.lex_state = 56, .external_lex_state = 1},
+  [15] = {.lex_state = 56, .external_lex_state = 1},
+  [16] = {.lex_state = 59},
+  [17] = {.lex_state = 61},
+  [18] = {.lex_state = 62},
+  [19] = {.lex_state = 53},
+  [20] = {.lex_state = 53},
+  [21] = {.lex_state = 53},
+  [22] = {.lex_state = 53},
+  [23] = {.lex_state = 53},
+  [24] = {.lex_state = 53},
+  [25] = {.lex_state = 53},
+  [26] = {.lex_state = 53},
+  [27] = {.lex_state = 56},
+  [28] = {.lex_state = 53},
+  [29] = {.lex_state = 63},
+  [30] = {.lex_state = 56, .external_lex_state = 1},
+  [31] = {.lex_state = 63},
+  [32] = {.lex_state = 56, .external_lex_state = 1},
+  [33] = {.lex_state = 62},
+  [34] = {.lex_state = 56, .external_lex_state = 1},
+  [35] = {.lex_state = 61},
+  [36] = {.lex_state = 56, .external_lex_state = 1},
+  [37] = {.lex_state = 56, .external_lex_state = 1},
+  [38] = {.lex_state = 56, .external_lex_state = 1},
+  [39] = {.lex_state = 58, .external_lex_state = 1},
+  [40] = {.lex_state = 56, .external_lex_state = 1},
+  [41] = {.lex_state = 56, .external_lex_state = 1},
+  [42] = {.lex_state = 59},
+  [43] = {.lex_state = 56, .external_lex_state = 1},
+  [44] = {.lex_state = 56},
+  [45] = {.lex_state = 71},
+  [46] = {.lex_state = 71},
+  [47] = {.lex_state = 56, .external_lex_state = 1},
+  [48] = {.lex_state = 74},
+  [49] = {.lex_state = 75},
+  [50] = {.lex_state = 59},
+  [51] = {.lex_state = 63},
+  [52] = {.lex_state = 62},
+  [53] = {.lex_state = 61},
+  [54] = {.lex_state = 56, .external_lex_state = 1},
+  [55] = {.lex_state = 63},
+  [56] = {.lex_state = 56, .external_lex_state = 1},
+  [57] = {.lex_state = 74},
+  [58] = {.lex_state = 74},
+  [59] = {.lex_state = 63},
+  [60] = {.lex_state = 74},
+  [61] = {.lex_state = 63},
+  [62] = {.lex_state = 56, .external_lex_state = 1},
+  [63] = {.lex_state = 75},
+  [64] = {.lex_state = 56, .external_lex_state = 1},
+  [65] = {.lex_state = 76},
+  [66] = {.lex_state = 76},
+  [67] = {.lex_state = 77},
+  [68] = {.lex_state = 59},
+  [69] = {.lex_state = 74},
+  [70] = {.lex_state = 75},
+  [71] = {.lex_state = 75},
+  [72] = {.lex_state = 56, .external_lex_state = 1},
+  [73] = {.lex_state = 75},
+  [74] = {.lex_state = 61},
+  [75] = {.lex_state = 77},
+  [76] = {.lex_state = 56, .external_lex_state = 1},
+  [77] = {.lex_state = 74},
+  [78] = {.lex_state = 75},
+  [79] = {.lex_state = 74},
+};
+
+enum {
+  ts_external_token__descendant_operator,
+};
+
+static TSSymbol ts_external_scanner_symbol_map[EXTERNAL_TOKEN_COUNT] = {
+  [ts_external_token__descendant_operator] = sym__descendant_operator,
+};
+
+static bool ts_external_scanner_states[2][EXTERNAL_TOKEN_COUNT] = {
+  [1] = {
+    [ts_external_token__descendant_operator] = true,
+  },
 };
 
 static uint16_t ts_parse_table[STATE_COUNT][SYMBOL_COUNT] = {
   [0] = {
+    [sym__descendant_operator] = ACTIONS(1),
     [ts_builtin_sym_end] = ACTIONS(1),
     [sym_import_statement] = ACTIONS(1),
     [anon_sym_COMMA] = ACTIONS(1),
     [anon_sym_LBRACE] = ACTIONS(1),
     [anon_sym_RBRACE] = ACTIONS(1),
+    [sym_nesting_selector] = ACTIONS(1),
     [sym_universal_selector] = ACTIONS(3),
-    [anon_sym_DOT] = ACTIONS(1),
+    [anon_sym_DOT] = ACTIONS(3),
+    [anon_sym_COLON] = ACTIONS(3),
+    [anon_sym_COLON_COLON] = ACTIONS(1),
     [anon_sym_POUND] = ACTIONS(1),
-    [anon_sym_LBRACK] = ACTIONS(3),
-    [anon_sym_LBRACK2] = ACTIONS(1),
+    [anon_sym_LBRACK] = ACTIONS(1),
     [anon_sym_EQ] = ACTIONS(1),
     [anon_sym_TILDE_EQ] = ACTIONS(1),
     [anon_sym_CARET_EQ] = ACTIONS(1),
@@ -850,419 +1317,881 @@ static uint16_t ts_parse_table[STATE_COUNT][SYMBOL_COUNT] = {
     [anon_sym_DOLLAR_EQ] = ACTIONS(1),
     [anon_sym_RBRACK] = ACTIONS(1),
     [anon_sym_GT] = ACTIONS(1),
-    [anon_sym_COLON] = ACTIONS(1),
     [anon_sym_SEMI] = ACTIONS(1),
-    [sym_identifier] = ACTIONS(1),
+    [aux_sym_SLASH_LPAREN_PLUS_PIPE_DASH_PIPE_RPAREN_BSLASHd_PLUS_SLASH] = ACTIONS(3),
+    [aux_sym_SLASH_LPAREN_PLUS_PIPE_DASH_PIPE_RPAREN_BSLASHd_STAR_LPAREN_DOT_BSLASHd_PLUS_PIPEe_LPAREN_DASH_PIPE_RPAREN_BSLASHd_PLUS_PIPE_DOT_BSLASHd_PLUSe_LPAREN_DASH_PIPE_RPAREN_BSLASHd_PLUS_RPAREN_SLASH] = ACTIONS(1),
+    [sym_unit] = ACTIONS(3),
+    [anon_sym_LPAREN] = ACTIONS(1),
+    [anon_sym_RPAREN] = ACTIONS(1),
+    [sym_identifier] = ACTIONS(3),
     [sym_comment] = ACTIONS(1),
   },
   [1] = {
-    [sym_stylesheet] = STATE(6),
-    [sym_rule_set] = STATE(9),
-    [sym_selectors] = STATE(7),
-    [sym__selector] = STATE(8),
-    [sym_type_selector] = STATE(8),
-    [sym_class_selector] = STATE(8),
-    [sym_id_selector] = STATE(8),
-    [sym_attribute_selector] = STATE(8),
-    [sym_child_selector] = STATE(8),
-    [sym_descendant_selector] = STATE(8),
-    [aux_sym_stylesheet_repeat1] = STATE(9),
+    [sym_stylesheet] = STATE(8),
+    [sym_rule_set] = STATE(11),
+    [sym_selectors] = STATE(9),
+    [sym__selector] = STATE(10),
+    [sym_class_selector] = STATE(10),
+    [sym_pseudo_class_selector] = STATE(10),
+    [sym_pseudo_element_selector] = STATE(10),
+    [sym_id_selector] = STATE(10),
+    [sym_attribute_selector] = STATE(10),
+    [sym_child_selector] = STATE(10),
+    [sym_descendant_selector] = STATE(10),
+    [aux_sym_stylesheet_repeat1] = STATE(11),
     [ts_builtin_sym_end] = ACTIONS(5),
     [sym_import_statement] = ACTIONS(7),
+    [sym_nesting_selector] = ACTIONS(9),
     [sym_universal_selector] = ACTIONS(9),
     [anon_sym_DOT] = ACTIONS(11),
-    [anon_sym_POUND] = ACTIONS(13),
-    [anon_sym_LBRACK] = ACTIONS(15),
-    [sym_identifier] = ACTIONS(17),
-    [sym_comment] = ACTIONS(19),
+    [anon_sym_COLON] = ACTIONS(13),
+    [anon_sym_COLON_COLON] = ACTIONS(15),
+    [anon_sym_POUND] = ACTIONS(17),
+    [anon_sym_LBRACK] = ACTIONS(19),
+    [sym_identifier] = ACTIONS(21),
+    [sym_comment] = ACTIONS(23),
   },
   [2] = {
-    [sym_identifier] = ACTIONS(21),
-    [sym_comment] = ACTIONS(19),
+    [sym_identifier] = ACTIONS(25),
+    [sym_comment] = ACTIONS(23),
   },
   [3] = {
-    [sym_identifier] = ACTIONS(23),
-    [sym_comment] = ACTIONS(19),
+    [sym_identifier] = ACTIONS(27),
+    [sym_comment] = ACTIONS(23),
   },
   [4] = {
-    [sym_property_name] = STATE(13),
-    [sym_identifier] = ACTIONS(25),
-    [sym_comment] = ACTIONS(19),
+    [sym_identifier] = ACTIONS(29),
+    [sym_comment] = ACTIONS(23),
   },
   [5] = {
-    [anon_sym_COMMA] = ACTIONS(27),
-    [anon_sym_LBRACE] = ACTIONS(27),
-    [sym_universal_selector] = ACTIONS(27),
-    [anon_sym_DOT] = ACTIONS(27),
-    [anon_sym_POUND] = ACTIONS(27),
-    [anon_sym_LBRACK] = ACTIONS(29),
-    [anon_sym_LBRACK2] = ACTIONS(27),
-    [anon_sym_GT] = ACTIONS(27),
-    [sym_identifier] = ACTIONS(27),
-    [sym_comment] = ACTIONS(19),
+    [sym_identifier] = ACTIONS(31),
+    [sym_comment] = ACTIONS(23),
   },
   [6] = {
-    [ts_builtin_sym_end] = ACTIONS(31),
-    [sym_comment] = ACTIONS(19),
+    [sym_identifier] = ACTIONS(33),
+    [sym_comment] = ACTIONS(23),
   },
   [7] = {
-    [sym_block] = STATE(15),
-    [anon_sym_LBRACE] = ACTIONS(33),
-    [sym_comment] = ACTIONS(19),
+    [sym__descendant_operator] = ACTIONS(35),
+    [anon_sym_COMMA] = ACTIONS(35),
+    [anon_sym_LBRACE] = ACTIONS(35),
+    [anon_sym_DOT] = ACTIONS(35),
+    [anon_sym_COLON] = ACTIONS(37),
+    [anon_sym_COLON_COLON] = ACTIONS(35),
+    [anon_sym_POUND] = ACTIONS(35),
+    [anon_sym_LBRACK] = ACTIONS(35),
+    [anon_sym_GT] = ACTIONS(35),
+    [sym_comment] = ACTIONS(23),
   },
   [8] = {
-    [sym__selector] = STATE(19),
-    [sym_type_selector] = STATE(19),
-    [sym_class_selector] = STATE(19),
-    [sym_id_selector] = STATE(19),
-    [sym_attribute_selector] = STATE(19),
-    [sym_child_selector] = STATE(19),
-    [sym_descendant_selector] = STATE(19),
-    [aux_sym_selectors_repeat1] = STATE(20),
-    [anon_sym_COMMA] = ACTIONS(35),
-    [anon_sym_LBRACE] = ACTIONS(37),
-    [sym_universal_selector] = ACTIONS(39),
-    [anon_sym_DOT] = ACTIONS(11),
-    [anon_sym_POUND] = ACTIONS(13),
-    [anon_sym_LBRACK] = ACTIONS(41),
-    [anon_sym_LBRACK2] = ACTIONS(43),
-    [anon_sym_GT] = ACTIONS(45),
-    [sym_identifier] = ACTIONS(17),
-    [sym_comment] = ACTIONS(19),
+    [ts_builtin_sym_end] = ACTIONS(39),
+    [sym_comment] = ACTIONS(23),
   },
   [9] = {
-    [sym_rule_set] = STATE(21),
-    [sym_selectors] = STATE(7),
-    [sym__selector] = STATE(8),
-    [sym_type_selector] = STATE(8),
-    [sym_class_selector] = STATE(8),
-    [sym_id_selector] = STATE(8),
-    [sym_attribute_selector] = STATE(8),
-    [sym_child_selector] = STATE(8),
-    [sym_descendant_selector] = STATE(8),
-    [aux_sym_stylesheet_repeat1] = STATE(21),
-    [ts_builtin_sym_end] = ACTIONS(47),
-    [sym_import_statement] = ACTIONS(49),
-    [sym_universal_selector] = ACTIONS(9),
-    [anon_sym_DOT] = ACTIONS(11),
-    [anon_sym_POUND] = ACTIONS(13),
-    [anon_sym_LBRACK] = ACTIONS(15),
-    [sym_identifier] = ACTIONS(17),
-    [sym_comment] = ACTIONS(19),
+    [sym_block] = STATE(18),
+    [anon_sym_LBRACE] = ACTIONS(41),
+    [sym_comment] = ACTIONS(23),
   },
   [10] = {
-    [anon_sym_COMMA] = ACTIONS(51),
-    [anon_sym_LBRACE] = ACTIONS(51),
-    [sym_universal_selector] = ACTIONS(51),
-    [anon_sym_DOT] = ACTIONS(51),
-    [anon_sym_POUND] = ACTIONS(51),
-    [anon_sym_LBRACK] = ACTIONS(53),
-    [anon_sym_LBRACK2] = ACTIONS(51),
-    [anon_sym_GT] = ACTIONS(51),
-    [sym_identifier] = ACTIONS(51),
-    [sym_comment] = ACTIONS(19),
-  },
-  [11] = {
-    [anon_sym_COMMA] = ACTIONS(55),
-    [anon_sym_LBRACE] = ACTIONS(55),
-    [sym_universal_selector] = ACTIONS(55),
-    [anon_sym_DOT] = ACTIONS(55),
+    [aux_sym_selectors_repeat1] = STATE(27),
+    [sym__descendant_operator] = ACTIONS(43),
+    [anon_sym_COMMA] = ACTIONS(45),
+    [anon_sym_LBRACE] = ACTIONS(47),
+    [anon_sym_DOT] = ACTIONS(49),
+    [anon_sym_COLON] = ACTIONS(51),
+    [anon_sym_COLON_COLON] = ACTIONS(53),
     [anon_sym_POUND] = ACTIONS(55),
     [anon_sym_LBRACK] = ACTIONS(57),
-    [anon_sym_LBRACK2] = ACTIONS(55),
-    [anon_sym_GT] = ACTIONS(55),
-    [sym_identifier] = ACTIONS(55),
-    [sym_comment] = ACTIONS(19),
+    [anon_sym_GT] = ACTIONS(59),
+    [sym_comment] = ACTIONS(23),
+  },
+  [11] = {
+    [sym_rule_set] = STATE(28),
+    [sym_selectors] = STATE(9),
+    [sym__selector] = STATE(10),
+    [sym_class_selector] = STATE(10),
+    [sym_pseudo_class_selector] = STATE(10),
+    [sym_pseudo_element_selector] = STATE(10),
+    [sym_id_selector] = STATE(10),
+    [sym_attribute_selector] = STATE(10),
+    [sym_child_selector] = STATE(10),
+    [sym_descendant_selector] = STATE(10),
+    [aux_sym_stylesheet_repeat1] = STATE(28),
+    [ts_builtin_sym_end] = ACTIONS(61),
+    [sym_import_statement] = ACTIONS(63),
+    [sym_nesting_selector] = ACTIONS(9),
+    [sym_universal_selector] = ACTIONS(9),
+    [anon_sym_DOT] = ACTIONS(11),
+    [anon_sym_COLON] = ACTIONS(13),
+    [anon_sym_COLON_COLON] = ACTIONS(15),
+    [anon_sym_POUND] = ACTIONS(17),
+    [anon_sym_LBRACK] = ACTIONS(19),
+    [sym_identifier] = ACTIONS(21),
+    [sym_comment] = ACTIONS(23),
   },
   [12] = {
-    [anon_sym_EQ] = ACTIONS(59),
-    [anon_sym_TILDE_EQ] = ACTIONS(59),
-    [anon_sym_CARET_EQ] = ACTIONS(59),
-    [anon_sym_PIPE_EQ] = ACTIONS(59),
-    [anon_sym_STAR_EQ] = ACTIONS(59),
-    [anon_sym_DOLLAR_EQ] = ACTIONS(59),
-    [anon_sym_RBRACK] = ACTIONS(59),
-    [anon_sym_COLON] = ACTIONS(59),
-    [sym_comment] = ACTIONS(19),
+    [sym__descendant_operator] = ACTIONS(65),
+    [anon_sym_COMMA] = ACTIONS(65),
+    [anon_sym_LBRACE] = ACTIONS(65),
+    [anon_sym_DOT] = ACTIONS(65),
+    [anon_sym_COLON] = ACTIONS(67),
+    [anon_sym_COLON_COLON] = ACTIONS(65),
+    [anon_sym_POUND] = ACTIONS(65),
+    [anon_sym_LBRACK] = ACTIONS(65),
+    [anon_sym_GT] = ACTIONS(65),
+    [sym_comment] = ACTIONS(23),
   },
   [13] = {
-    [anon_sym_EQ] = ACTIONS(61),
-    [anon_sym_TILDE_EQ] = ACTIONS(61),
-    [anon_sym_CARET_EQ] = ACTIONS(61),
-    [anon_sym_PIPE_EQ] = ACTIONS(61),
-    [anon_sym_STAR_EQ] = ACTIONS(61),
-    [anon_sym_DOLLAR_EQ] = ACTIONS(61),
-    [anon_sym_RBRACK] = ACTIONS(63),
-    [sym_comment] = ACTIONS(19),
+    [sym_arguments] = STATE(30),
+    [sym__descendant_operator] = ACTIONS(69),
+    [anon_sym_COMMA] = ACTIONS(69),
+    [anon_sym_LBRACE] = ACTIONS(69),
+    [anon_sym_DOT] = ACTIONS(69),
+    [anon_sym_COLON] = ACTIONS(71),
+    [anon_sym_COLON_COLON] = ACTIONS(69),
+    [anon_sym_POUND] = ACTIONS(69),
+    [anon_sym_LBRACK] = ACTIONS(69),
+    [anon_sym_GT] = ACTIONS(69),
+    [anon_sym_LPAREN] = ACTIONS(73),
+    [sym_comment] = ACTIONS(23),
   },
   [14] = {
-    [sym_declaration] = STATE(26),
-    [sym_property_name] = STATE(25),
-    [aux_sym_block_repeat1] = STATE(26),
-    [anon_sym_RBRACE] = ACTIONS(65),
-    [sym_identifier] = ACTIONS(25),
-    [sym_comment] = ACTIONS(19),
+    [sym__descendant_operator] = ACTIONS(75),
+    [anon_sym_COMMA] = ACTIONS(75),
+    [anon_sym_LBRACE] = ACTIONS(75),
+    [anon_sym_DOT] = ACTIONS(75),
+    [anon_sym_COLON] = ACTIONS(77),
+    [anon_sym_COLON_COLON] = ACTIONS(75),
+    [anon_sym_POUND] = ACTIONS(75),
+    [anon_sym_LBRACK] = ACTIONS(75),
+    [anon_sym_GT] = ACTIONS(75),
+    [sym_comment] = ACTIONS(23),
   },
   [15] = {
-    [ts_builtin_sym_end] = ACTIONS(67),
-    [sym_import_statement] = ACTIONS(67),
-    [sym_universal_selector] = ACTIONS(67),
-    [anon_sym_DOT] = ACTIONS(67),
-    [anon_sym_POUND] = ACTIONS(67),
-    [anon_sym_LBRACK] = ACTIONS(67),
-    [sym_identifier] = ACTIONS(67),
-    [sym_comment] = ACTIONS(19),
+    [sym__descendant_operator] = ACTIONS(79),
+    [anon_sym_COMMA] = ACTIONS(79),
+    [anon_sym_LBRACE] = ACTIONS(79),
+    [anon_sym_DOT] = ACTIONS(79),
+    [anon_sym_COLON] = ACTIONS(81),
+    [anon_sym_COLON_COLON] = ACTIONS(79),
+    [anon_sym_POUND] = ACTIONS(79),
+    [anon_sym_LBRACK] = ACTIONS(79),
+    [anon_sym_GT] = ACTIONS(79),
+    [sym_comment] = ACTIONS(23),
   },
   [16] = {
-    [sym__selector] = STATE(27),
-    [sym_type_selector] = STATE(27),
-    [sym_class_selector] = STATE(27),
-    [sym_id_selector] = STATE(27),
-    [sym_attribute_selector] = STATE(27),
-    [sym_child_selector] = STATE(27),
-    [sym_descendant_selector] = STATE(27),
-    [sym_universal_selector] = ACTIONS(69),
-    [anon_sym_DOT] = ACTIONS(11),
-    [anon_sym_POUND] = ACTIONS(13),
-    [anon_sym_LBRACK] = ACTIONS(15),
-    [sym_identifier] = ACTIONS(17),
-    [sym_comment] = ACTIONS(19),
+    [anon_sym_EQ] = ACTIONS(83),
+    [anon_sym_TILDE_EQ] = ACTIONS(83),
+    [anon_sym_CARET_EQ] = ACTIONS(83),
+    [anon_sym_PIPE_EQ] = ACTIONS(83),
+    [anon_sym_STAR_EQ] = ACTIONS(83),
+    [anon_sym_DOLLAR_EQ] = ACTIONS(83),
+    [anon_sym_RBRACK] = ACTIONS(85),
+    [sym_comment] = ACTIONS(23),
   },
   [17] = {
-    [sym_property_name] = STATE(28),
-    [sym_identifier] = ACTIONS(25),
-    [sym_comment] = ACTIONS(19),
+    [sym_rule_set] = STATE(35),
+    [sym_selectors] = STATE(9),
+    [sym__selector] = STATE(10),
+    [sym_class_selector] = STATE(10),
+    [sym_pseudo_class_selector] = STATE(10),
+    [sym_pseudo_element_selector] = STATE(10),
+    [sym_id_selector] = STATE(10),
+    [sym_attribute_selector] = STATE(10),
+    [sym_child_selector] = STATE(10),
+    [sym_descendant_selector] = STATE(10),
+    [sym_declaration] = STATE(35),
+    [aux_sym_block_repeat1] = STATE(35),
+    [anon_sym_RBRACE] = ACTIONS(87),
+    [sym_nesting_selector] = ACTIONS(9),
+    [sym_universal_selector] = ACTIONS(9),
+    [anon_sym_DOT] = ACTIONS(11),
+    [anon_sym_COLON] = ACTIONS(13),
+    [anon_sym_COLON_COLON] = ACTIONS(15),
+    [anon_sym_POUND] = ACTIONS(17),
+    [anon_sym_LBRACK] = ACTIONS(19),
+    [sym_identifier] = ACTIONS(89),
+    [sym_comment] = ACTIONS(23),
   },
   [18] = {
-    [sym__selector] = STATE(29),
-    [sym_type_selector] = STATE(29),
-    [sym_class_selector] = STATE(29),
-    [sym_id_selector] = STATE(29),
-    [sym_attribute_selector] = STATE(29),
-    [sym_child_selector] = STATE(29),
-    [sym_descendant_selector] = STATE(29),
-    [sym_universal_selector] = ACTIONS(71),
-    [anon_sym_DOT] = ACTIONS(11),
-    [anon_sym_POUND] = ACTIONS(13),
-    [anon_sym_LBRACK] = ACTIONS(15),
-    [sym_identifier] = ACTIONS(17),
-    [sym_comment] = ACTIONS(19),
+    [ts_builtin_sym_end] = ACTIONS(91),
+    [sym_import_statement] = ACTIONS(91),
+    [anon_sym_RBRACE] = ACTIONS(91),
+    [sym_nesting_selector] = ACTIONS(91),
+    [sym_universal_selector] = ACTIONS(91),
+    [anon_sym_DOT] = ACTIONS(91),
+    [anon_sym_COLON] = ACTIONS(93),
+    [anon_sym_COLON_COLON] = ACTIONS(91),
+    [anon_sym_POUND] = ACTIONS(91),
+    [anon_sym_LBRACK] = ACTIONS(91),
+    [sym_identifier] = ACTIONS(91),
+    [sym_comment] = ACTIONS(23),
   },
   [19] = {
-    [sym__selector] = STATE(19),
-    [sym_type_selector] = STATE(19),
-    [sym_class_selector] = STATE(19),
-    [sym_id_selector] = STATE(19),
-    [sym_attribute_selector] = STATE(19),
-    [sym_child_selector] = STATE(19),
-    [sym_descendant_selector] = STATE(19),
-    [anon_sym_COMMA] = ACTIONS(73),
-    [anon_sym_LBRACE] = ACTIONS(73),
-    [sym_universal_selector] = ACTIONS(73),
-    [anon_sym_DOT] = ACTIONS(73),
-    [anon_sym_POUND] = ACTIONS(73),
-    [anon_sym_LBRACK] = ACTIONS(75),
-    [anon_sym_LBRACK2] = ACTIONS(73),
-    [anon_sym_GT] = ACTIONS(73),
-    [sym_identifier] = ACTIONS(73),
-    [sym_comment] = ACTIONS(19),
+    [sym__selector] = STATE(36),
+    [sym_class_selector] = STATE(36),
+    [sym_pseudo_class_selector] = STATE(36),
+    [sym_pseudo_element_selector] = STATE(36),
+    [sym_id_selector] = STATE(36),
+    [sym_attribute_selector] = STATE(36),
+    [sym_child_selector] = STATE(36),
+    [sym_descendant_selector] = STATE(36),
+    [sym_nesting_selector] = ACTIONS(95),
+    [sym_universal_selector] = ACTIONS(95),
+    [anon_sym_DOT] = ACTIONS(11),
+    [anon_sym_COLON] = ACTIONS(13),
+    [anon_sym_COLON_COLON] = ACTIONS(15),
+    [anon_sym_POUND] = ACTIONS(17),
+    [anon_sym_LBRACK] = ACTIONS(19),
+    [sym_identifier] = ACTIONS(21),
+    [sym_comment] = ACTIONS(23),
   },
   [20] = {
-    [aux_sym_selectors_repeat1] = STATE(30),
-    [anon_sym_COMMA] = ACTIONS(35),
-    [anon_sym_LBRACE] = ACTIONS(77),
-    [sym_comment] = ACTIONS(19),
+    [sym__selector] = STATE(37),
+    [sym_class_selector] = STATE(37),
+    [sym_pseudo_class_selector] = STATE(37),
+    [sym_pseudo_element_selector] = STATE(37),
+    [sym_id_selector] = STATE(37),
+    [sym_attribute_selector] = STATE(37),
+    [sym_child_selector] = STATE(37),
+    [sym_descendant_selector] = STATE(37),
+    [sym_nesting_selector] = ACTIONS(97),
+    [sym_universal_selector] = ACTIONS(97),
+    [anon_sym_DOT] = ACTIONS(11),
+    [anon_sym_COLON] = ACTIONS(13),
+    [anon_sym_COLON_COLON] = ACTIONS(15),
+    [anon_sym_POUND] = ACTIONS(17),
+    [anon_sym_LBRACK] = ACTIONS(19),
+    [sym_identifier] = ACTIONS(21),
+    [sym_comment] = ACTIONS(23),
   },
   [21] = {
-    [sym_rule_set] = STATE(21),
-    [sym_selectors] = STATE(7),
-    [sym__selector] = STATE(8),
-    [sym_type_selector] = STATE(8),
-    [sym_class_selector] = STATE(8),
-    [sym_id_selector] = STATE(8),
-    [sym_attribute_selector] = STATE(8),
-    [sym_child_selector] = STATE(8),
-    [sym_descendant_selector] = STATE(8),
-    [aux_sym_stylesheet_repeat1] = STATE(21),
-    [ts_builtin_sym_end] = ACTIONS(79),
-    [sym_import_statement] = ACTIONS(81),
-    [sym_universal_selector] = ACTIONS(84),
-    [anon_sym_DOT] = ACTIONS(87),
-    [anon_sym_POUND] = ACTIONS(90),
-    [anon_sym_LBRACK] = ACTIONS(93),
-    [sym_identifier] = ACTIONS(96),
-    [sym_comment] = ACTIONS(19),
+    [sym_identifier] = ACTIONS(99),
+    [sym_comment] = ACTIONS(23),
   },
   [22] = {
-    [sym_property_value] = ACTIONS(99),
-    [sym_comment] = ACTIONS(101),
+    [sym_identifier] = ACTIONS(101),
+    [sym_comment] = ACTIONS(23),
   },
   [23] = {
-    [anon_sym_COMMA] = ACTIONS(103),
-    [anon_sym_LBRACE] = ACTIONS(103),
-    [sym_universal_selector] = ACTIONS(103),
-    [anon_sym_DOT] = ACTIONS(103),
-    [anon_sym_POUND] = ACTIONS(103),
-    [anon_sym_LBRACK] = ACTIONS(105),
-    [anon_sym_LBRACK2] = ACTIONS(103),
-    [anon_sym_GT] = ACTIONS(103),
     [sym_identifier] = ACTIONS(103),
-    [sym_comment] = ACTIONS(19),
+    [sym_comment] = ACTIONS(23),
   },
   [24] = {
-    [ts_builtin_sym_end] = ACTIONS(107),
-    [sym_import_statement] = ACTIONS(107),
-    [sym_universal_selector] = ACTIONS(107),
-    [anon_sym_DOT] = ACTIONS(107),
-    [anon_sym_POUND] = ACTIONS(107),
-    [anon_sym_LBRACK] = ACTIONS(107),
-    [sym_identifier] = ACTIONS(107),
-    [sym_comment] = ACTIONS(19),
+    [sym_identifier] = ACTIONS(105),
+    [sym_comment] = ACTIONS(23),
   },
   [25] = {
-    [anon_sym_COLON] = ACTIONS(109),
-    [sym_comment] = ACTIONS(19),
+    [sym_identifier] = ACTIONS(107),
+    [sym_comment] = ACTIONS(23),
   },
   [26] = {
-    [sym_declaration] = STATE(34),
-    [sym_property_name] = STATE(25),
-    [aux_sym_block_repeat1] = STATE(34),
-    [anon_sym_RBRACE] = ACTIONS(111),
-    [sym_identifier] = ACTIONS(25),
-    [sym_comment] = ACTIONS(19),
+    [sym__selector] = STATE(43),
+    [sym_class_selector] = STATE(43),
+    [sym_pseudo_class_selector] = STATE(43),
+    [sym_pseudo_element_selector] = STATE(43),
+    [sym_id_selector] = STATE(43),
+    [sym_attribute_selector] = STATE(43),
+    [sym_child_selector] = STATE(43),
+    [sym_descendant_selector] = STATE(43),
+    [sym_nesting_selector] = ACTIONS(109),
+    [sym_universal_selector] = ACTIONS(109),
+    [anon_sym_DOT] = ACTIONS(11),
+    [anon_sym_COLON] = ACTIONS(13),
+    [anon_sym_COLON_COLON] = ACTIONS(15),
+    [anon_sym_POUND] = ACTIONS(17),
+    [anon_sym_LBRACK] = ACTIONS(19),
+    [sym_identifier] = ACTIONS(21),
+    [sym_comment] = ACTIONS(23),
   },
   [27] = {
-    [sym__selector] = STATE(19),
-    [sym_type_selector] = STATE(19),
-    [sym_class_selector] = STATE(19),
-    [sym_id_selector] = STATE(19),
-    [sym_attribute_selector] = STATE(19),
-    [sym_child_selector] = STATE(19),
-    [sym_descendant_selector] = STATE(19),
-    [anon_sym_COMMA] = ACTIONS(113),
-    [anon_sym_LBRACE] = ACTIONS(113),
-    [sym_universal_selector] = ACTIONS(39),
-    [anon_sym_DOT] = ACTIONS(11),
-    [anon_sym_POUND] = ACTIONS(13),
-    [anon_sym_LBRACK] = ACTIONS(41),
-    [anon_sym_LBRACK2] = ACTIONS(43),
-    [anon_sym_GT] = ACTIONS(45),
-    [sym_identifier] = ACTIONS(17),
-    [sym_comment] = ACTIONS(19),
+    [aux_sym_selectors_repeat1] = STATE(44),
+    [anon_sym_COMMA] = ACTIONS(45),
+    [anon_sym_LBRACE] = ACTIONS(111),
+    [sym_comment] = ACTIONS(23),
   },
   [28] = {
-    [anon_sym_EQ] = ACTIONS(115),
-    [anon_sym_TILDE_EQ] = ACTIONS(115),
-    [anon_sym_CARET_EQ] = ACTIONS(115),
-    [anon_sym_PIPE_EQ] = ACTIONS(115),
-    [anon_sym_STAR_EQ] = ACTIONS(115),
-    [anon_sym_DOLLAR_EQ] = ACTIONS(115),
-    [anon_sym_RBRACK] = ACTIONS(117),
-    [sym_comment] = ACTIONS(19),
+    [sym_rule_set] = STATE(28),
+    [sym_selectors] = STATE(9),
+    [sym__selector] = STATE(10),
+    [sym_class_selector] = STATE(10),
+    [sym_pseudo_class_selector] = STATE(10),
+    [sym_pseudo_element_selector] = STATE(10),
+    [sym_id_selector] = STATE(10),
+    [sym_attribute_selector] = STATE(10),
+    [sym_child_selector] = STATE(10),
+    [sym_descendant_selector] = STATE(10),
+    [aux_sym_stylesheet_repeat1] = STATE(28),
+    [ts_builtin_sym_end] = ACTIONS(113),
+    [sym_import_statement] = ACTIONS(115),
+    [sym_nesting_selector] = ACTIONS(118),
+    [sym_universal_selector] = ACTIONS(118),
+    [anon_sym_DOT] = ACTIONS(121),
+    [anon_sym_COLON] = ACTIONS(124),
+    [anon_sym_COLON_COLON] = ACTIONS(127),
+    [anon_sym_POUND] = ACTIONS(130),
+    [anon_sym_LBRACK] = ACTIONS(133),
+    [sym_identifier] = ACTIONS(136),
+    [sym_comment] = ACTIONS(23),
   },
   [29] = {
-    [sym__selector] = STATE(19),
-    [sym_type_selector] = STATE(19),
-    [sym_class_selector] = STATE(19),
-    [sym_id_selector] = STATE(19),
-    [sym_attribute_selector] = STATE(19),
-    [sym_child_selector] = STATE(19),
-    [sym_descendant_selector] = STATE(19),
-    [anon_sym_COMMA] = ACTIONS(119),
-    [anon_sym_LBRACE] = ACTIONS(119),
-    [sym_universal_selector] = ACTIONS(119),
-    [anon_sym_DOT] = ACTIONS(119),
-    [anon_sym_POUND] = ACTIONS(119),
-    [anon_sym_LBRACK] = ACTIONS(121),
-    [anon_sym_LBRACK2] = ACTIONS(119),
-    [anon_sym_GT] = ACTIONS(119),
-    [sym_identifier] = ACTIONS(119),
-    [sym_comment] = ACTIONS(19),
+    [sym__value] = STATE(49),
+    [sym_integer_value] = STATE(49),
+    [sym_float_value] = STATE(49),
+    [sym_function_value] = STATE(49),
+    [aux_sym_SLASH_LPAREN_PLUS_PIPE_DASH_PIPE_RPAREN_BSLASHd_PLUS_SLASH] = ACTIONS(139),
+    [aux_sym_SLASH_LPAREN_PLUS_PIPE_DASH_PIPE_RPAREN_BSLASHd_STAR_LPAREN_DOT_BSLASHd_PLUS_PIPEe_LPAREN_DASH_PIPE_RPAREN_BSLASHd_PLUS_PIPE_DOT_BSLASHd_PLUSe_LPAREN_DASH_PIPE_RPAREN_BSLASHd_PLUS_RPAREN_SLASH] = ACTIONS(141),
+    [sym_color_value] = ACTIONS(143),
+    [anon_sym_RPAREN] = ACTIONS(145),
+    [sym_identifier] = ACTIONS(147),
+    [sym_comment] = ACTIONS(23),
   },
   [30] = {
-    [aux_sym_selectors_repeat1] = STATE(30),
-    [anon_sym_COMMA] = ACTIONS(123),
-    [anon_sym_LBRACE] = ACTIONS(113),
-    [sym_comment] = ACTIONS(19),
+    [sym__descendant_operator] = ACTIONS(149),
+    [anon_sym_COMMA] = ACTIONS(149),
+    [anon_sym_LBRACE] = ACTIONS(149),
+    [anon_sym_DOT] = ACTIONS(149),
+    [anon_sym_COLON] = ACTIONS(151),
+    [anon_sym_COLON_COLON] = ACTIONS(149),
+    [anon_sym_POUND] = ACTIONS(149),
+    [anon_sym_LBRACK] = ACTIONS(149),
+    [anon_sym_GT] = ACTIONS(149),
+    [sym_comment] = ACTIONS(23),
   },
   [31] = {
-    [anon_sym_RBRACK] = ACTIONS(126),
-    [sym_comment] = ACTIONS(19),
+    [sym__value] = STATE(50),
+    [sym_integer_value] = STATE(50),
+    [sym_float_value] = STATE(50),
+    [sym_function_value] = STATE(50),
+    [aux_sym_SLASH_LPAREN_PLUS_PIPE_DASH_PIPE_RPAREN_BSLASHd_PLUS_SLASH] = ACTIONS(139),
+    [aux_sym_SLASH_LPAREN_PLUS_PIPE_DASH_PIPE_RPAREN_BSLASHd_STAR_LPAREN_DOT_BSLASHd_PLUS_PIPEe_LPAREN_DASH_PIPE_RPAREN_BSLASHd_PLUS_PIPE_DOT_BSLASHd_PLUSe_LPAREN_DASH_PIPE_RPAREN_BSLASHd_PLUS_RPAREN_SLASH] = ACTIONS(141),
+    [sym_color_value] = ACTIONS(153),
+    [sym_identifier] = ACTIONS(147),
+    [sym_comment] = ACTIONS(23),
   },
   [32] = {
-    [sym_property_value] = ACTIONS(128),
-    [sym_comment] = ACTIONS(101),
+    [sym__descendant_operator] = ACTIONS(155),
+    [anon_sym_COMMA] = ACTIONS(155),
+    [anon_sym_LBRACE] = ACTIONS(155),
+    [anon_sym_DOT] = ACTIONS(155),
+    [anon_sym_COLON] = ACTIONS(157),
+    [anon_sym_COLON_COLON] = ACTIONS(155),
+    [anon_sym_POUND] = ACTIONS(155),
+    [anon_sym_LBRACK] = ACTIONS(155),
+    [anon_sym_GT] = ACTIONS(155),
+    [sym_comment] = ACTIONS(23),
   },
   [33] = {
-    [ts_builtin_sym_end] = ACTIONS(130),
-    [sym_import_statement] = ACTIONS(130),
-    [sym_universal_selector] = ACTIONS(130),
-    [anon_sym_DOT] = ACTIONS(130),
-    [anon_sym_POUND] = ACTIONS(130),
-    [anon_sym_LBRACK] = ACTIONS(130),
-    [sym_identifier] = ACTIONS(130),
-    [sym_comment] = ACTIONS(19),
+    [ts_builtin_sym_end] = ACTIONS(159),
+    [sym_import_statement] = ACTIONS(159),
+    [anon_sym_RBRACE] = ACTIONS(159),
+    [sym_nesting_selector] = ACTIONS(159),
+    [sym_universal_selector] = ACTIONS(159),
+    [anon_sym_DOT] = ACTIONS(159),
+    [anon_sym_COLON] = ACTIONS(161),
+    [anon_sym_COLON_COLON] = ACTIONS(159),
+    [anon_sym_POUND] = ACTIONS(159),
+    [anon_sym_LBRACK] = ACTIONS(159),
+    [sym_identifier] = ACTIONS(159),
+    [sym_comment] = ACTIONS(23),
   },
   [34] = {
-    [sym_declaration] = STATE(34),
-    [sym_property_name] = STATE(25),
-    [aux_sym_block_repeat1] = STATE(34),
-    [anon_sym_RBRACE] = ACTIONS(132),
-    [sym_identifier] = ACTIONS(134),
-    [sym_comment] = ACTIONS(19),
+    [sym__descendant_operator] = ACTIONS(35),
+    [anon_sym_COMMA] = ACTIONS(35),
+    [anon_sym_LBRACE] = ACTIONS(35),
+    [anon_sym_DOT] = ACTIONS(35),
+    [anon_sym_COLON] = ACTIONS(163),
+    [anon_sym_COLON_COLON] = ACTIONS(35),
+    [anon_sym_POUND] = ACTIONS(35),
+    [anon_sym_LBRACK] = ACTIONS(35),
+    [anon_sym_GT] = ACTIONS(35),
+    [sym_comment] = ACTIONS(23),
   },
   [35] = {
-    [sym_property_value] = ACTIONS(137),
-    [sym_comment] = ACTIONS(101),
+    [sym_rule_set] = STATE(53),
+    [sym_selectors] = STATE(9),
+    [sym__selector] = STATE(10),
+    [sym_class_selector] = STATE(10),
+    [sym_pseudo_class_selector] = STATE(10),
+    [sym_pseudo_element_selector] = STATE(10),
+    [sym_id_selector] = STATE(10),
+    [sym_attribute_selector] = STATE(10),
+    [sym_child_selector] = STATE(10),
+    [sym_descendant_selector] = STATE(10),
+    [sym_declaration] = STATE(53),
+    [aux_sym_block_repeat1] = STATE(53),
+    [anon_sym_RBRACE] = ACTIONS(165),
+    [sym_nesting_selector] = ACTIONS(9),
+    [sym_universal_selector] = ACTIONS(9),
+    [anon_sym_DOT] = ACTIONS(11),
+    [anon_sym_COLON] = ACTIONS(13),
+    [anon_sym_COLON_COLON] = ACTIONS(15),
+    [anon_sym_POUND] = ACTIONS(17),
+    [anon_sym_LBRACK] = ACTIONS(19),
+    [sym_identifier] = ACTIONS(89),
+    [sym_comment] = ACTIONS(23),
   },
   [36] = {
-    [anon_sym_COMMA] = ACTIONS(139),
-    [anon_sym_LBRACE] = ACTIONS(139),
-    [sym_universal_selector] = ACTIONS(139),
-    [anon_sym_DOT] = ACTIONS(139),
-    [anon_sym_POUND] = ACTIONS(139),
-    [anon_sym_LBRACK] = ACTIONS(141),
-    [anon_sym_LBRACK2] = ACTIONS(139),
-    [anon_sym_GT] = ACTIONS(139),
-    [sym_identifier] = ACTIONS(139),
-    [sym_comment] = ACTIONS(19),
+    [sym__descendant_operator] = ACTIONS(167),
+    [anon_sym_COMMA] = ACTIONS(167),
+    [anon_sym_LBRACE] = ACTIONS(167),
+    [anon_sym_DOT] = ACTIONS(167),
+    [anon_sym_COLON] = ACTIONS(169),
+    [anon_sym_COLON_COLON] = ACTIONS(167),
+    [anon_sym_POUND] = ACTIONS(167),
+    [anon_sym_LBRACK] = ACTIONS(167),
+    [anon_sym_GT] = ACTIONS(167),
+    [sym_comment] = ACTIONS(23),
   },
   [37] = {
-    [anon_sym_COMMA] = ACTIONS(143),
-    [anon_sym_LBRACE] = ACTIONS(143),
-    [sym_universal_selector] = ACTIONS(143),
-    [anon_sym_DOT] = ACTIONS(143),
-    [anon_sym_POUND] = ACTIONS(143),
-    [anon_sym_LBRACK] = ACTIONS(145),
-    [anon_sym_LBRACK2] = ACTIONS(143),
-    [anon_sym_GT] = ACTIONS(143),
-    [sym_identifier] = ACTIONS(143),
-    [sym_comment] = ACTIONS(19),
+    [sym__descendant_operator] = ACTIONS(43),
+    [anon_sym_COMMA] = ACTIONS(171),
+    [anon_sym_LBRACE] = ACTIONS(171),
+    [anon_sym_DOT] = ACTIONS(49),
+    [anon_sym_COLON] = ACTIONS(51),
+    [anon_sym_COLON_COLON] = ACTIONS(53),
+    [anon_sym_POUND] = ACTIONS(55),
+    [anon_sym_LBRACK] = ACTIONS(57),
+    [anon_sym_GT] = ACTIONS(59),
+    [sym_comment] = ACTIONS(23),
   },
   [38] = {
-    [anon_sym_SEMI] = ACTIONS(147),
-    [sym_comment] = ACTIONS(19),
+    [sym__descendant_operator] = ACTIONS(173),
+    [anon_sym_COMMA] = ACTIONS(173),
+    [anon_sym_LBRACE] = ACTIONS(173),
+    [anon_sym_DOT] = ACTIONS(173),
+    [anon_sym_COLON] = ACTIONS(175),
+    [anon_sym_COLON_COLON] = ACTIONS(173),
+    [anon_sym_POUND] = ACTIONS(173),
+    [anon_sym_LBRACK] = ACTIONS(173),
+    [anon_sym_GT] = ACTIONS(173),
+    [sym_comment] = ACTIONS(23),
   },
   [39] = {
-    [anon_sym_RBRACK] = ACTIONS(149),
-    [sym_comment] = ACTIONS(19),
+    [sym_arguments] = STATE(54),
+    [sym__descendant_operator] = ACTIONS(177),
+    [anon_sym_COMMA] = ACTIONS(177),
+    [anon_sym_LBRACE] = ACTIONS(177),
+    [anon_sym_DOT] = ACTIONS(177),
+    [anon_sym_COLON] = ACTIONS(179),
+    [anon_sym_COLON_COLON] = ACTIONS(177),
+    [anon_sym_POUND] = ACTIONS(177),
+    [anon_sym_LBRACK] = ACTIONS(177),
+    [anon_sym_GT] = ACTIONS(177),
+    [anon_sym_LPAREN] = ACTIONS(73),
+    [sym_comment] = ACTIONS(23),
   },
   [40] = {
-    [anon_sym_RBRACE] = ACTIONS(151),
-    [sym_identifier] = ACTIONS(151),
-    [sym_comment] = ACTIONS(19),
+    [sym__descendant_operator] = ACTIONS(181),
+    [anon_sym_COMMA] = ACTIONS(181),
+    [anon_sym_LBRACE] = ACTIONS(181),
+    [anon_sym_DOT] = ACTIONS(181),
+    [anon_sym_COLON] = ACTIONS(183),
+    [anon_sym_COLON_COLON] = ACTIONS(181),
+    [anon_sym_POUND] = ACTIONS(181),
+    [anon_sym_LBRACK] = ACTIONS(181),
+    [anon_sym_GT] = ACTIONS(181),
+    [sym_comment] = ACTIONS(23),
   },
   [41] = {
-    [anon_sym_COMMA] = ACTIONS(153),
-    [anon_sym_LBRACE] = ACTIONS(153),
-    [sym_universal_selector] = ACTIONS(153),
-    [anon_sym_DOT] = ACTIONS(153),
-    [anon_sym_POUND] = ACTIONS(153),
-    [anon_sym_LBRACK] = ACTIONS(155),
-    [anon_sym_LBRACK2] = ACTIONS(153),
-    [anon_sym_GT] = ACTIONS(153),
-    [sym_identifier] = ACTIONS(153),
-    [sym_comment] = ACTIONS(19),
+    [sym__descendant_operator] = ACTIONS(185),
+    [anon_sym_COMMA] = ACTIONS(185),
+    [anon_sym_LBRACE] = ACTIONS(185),
+    [anon_sym_DOT] = ACTIONS(185),
+    [anon_sym_COLON] = ACTIONS(187),
+    [anon_sym_COLON_COLON] = ACTIONS(185),
+    [anon_sym_POUND] = ACTIONS(185),
+    [anon_sym_LBRACK] = ACTIONS(185),
+    [anon_sym_GT] = ACTIONS(185),
+    [sym_comment] = ACTIONS(23),
+  },
+  [42] = {
+    [anon_sym_EQ] = ACTIONS(189),
+    [anon_sym_TILDE_EQ] = ACTIONS(189),
+    [anon_sym_CARET_EQ] = ACTIONS(189),
+    [anon_sym_PIPE_EQ] = ACTIONS(189),
+    [anon_sym_STAR_EQ] = ACTIONS(189),
+    [anon_sym_DOLLAR_EQ] = ACTIONS(189),
+    [anon_sym_RBRACK] = ACTIONS(191),
+    [sym_comment] = ACTIONS(23),
+  },
+  [43] = {
+    [sym__descendant_operator] = ACTIONS(193),
+    [anon_sym_COMMA] = ACTIONS(193),
+    [anon_sym_LBRACE] = ACTIONS(193),
+    [anon_sym_DOT] = ACTIONS(193),
+    [anon_sym_COLON] = ACTIONS(195),
+    [anon_sym_COLON_COLON] = ACTIONS(193),
+    [anon_sym_POUND] = ACTIONS(193),
+    [anon_sym_LBRACK] = ACTIONS(193),
+    [anon_sym_GT] = ACTIONS(193),
+    [sym_comment] = ACTIONS(23),
+  },
+  [44] = {
+    [aux_sym_selectors_repeat1] = STATE(44),
+    [anon_sym_COMMA] = ACTIONS(197),
+    [anon_sym_LBRACE] = ACTIONS(171),
+    [sym_comment] = ACTIONS(23),
+  },
+  [45] = {
+    [anon_sym_COMMA] = ACTIONS(200),
+    [anon_sym_RBRACK] = ACTIONS(200),
+    [sym_unit] = ACTIONS(202),
+    [anon_sym_RPAREN] = ACTIONS(200),
+    [sym_comment] = ACTIONS(23),
+  },
+  [46] = {
+    [anon_sym_COMMA] = ACTIONS(204),
+    [anon_sym_RBRACK] = ACTIONS(204),
+    [sym_unit] = ACTIONS(206),
+    [anon_sym_RPAREN] = ACTIONS(204),
+    [sym_comment] = ACTIONS(23),
+  },
+  [47] = {
+    [sym__descendant_operator] = ACTIONS(208),
+    [anon_sym_COMMA] = ACTIONS(208),
+    [anon_sym_LBRACE] = ACTIONS(208),
+    [anon_sym_DOT] = ACTIONS(208),
+    [anon_sym_COLON] = ACTIONS(210),
+    [anon_sym_COLON_COLON] = ACTIONS(208),
+    [anon_sym_POUND] = ACTIONS(208),
+    [anon_sym_LBRACK] = ACTIONS(208),
+    [anon_sym_GT] = ACTIONS(208),
+    [sym_comment] = ACTIONS(23),
+  },
+  [48] = {
+    [sym_arguments] = STATE(60),
+    [anon_sym_COMMA] = ACTIONS(212),
+    [anon_sym_RBRACK] = ACTIONS(212),
+    [anon_sym_SEMI] = ACTIONS(212),
+    [aux_sym_SLASH_LPAREN_PLUS_PIPE_DASH_PIPE_RPAREN_BSLASHd_PLUS_SLASH] = ACTIONS(214),
+    [aux_sym_SLASH_LPAREN_PLUS_PIPE_DASH_PIPE_RPAREN_BSLASHd_STAR_LPAREN_DOT_BSLASHd_PLUS_PIPEe_LPAREN_DASH_PIPE_RPAREN_BSLASHd_PLUS_PIPE_DOT_BSLASHd_PLUSe_LPAREN_DASH_PIPE_RPAREN_BSLASHd_PLUS_RPAREN_SLASH] = ACTIONS(212),
+    [sym_color_value] = ACTIONS(212),
+    [anon_sym_LPAREN] = ACTIONS(216),
+    [anon_sym_RPAREN] = ACTIONS(212),
+    [sym_identifier] = ACTIONS(214),
+    [sym_comment] = ACTIONS(23),
+  },
+  [49] = {
+    [aux_sym_arguments_repeat1] = STATE(63),
+    [anon_sym_COMMA] = ACTIONS(218),
+    [anon_sym_RPAREN] = ACTIONS(220),
+    [sym_comment] = ACTIONS(23),
+  },
+  [50] = {
+    [anon_sym_RBRACK] = ACTIONS(222),
+    [sym_comment] = ACTIONS(23),
+  },
+  [51] = {
+    [sym__value] = STATE(67),
+    [sym_integer_value] = STATE(67),
+    [sym_float_value] = STATE(67),
+    [sym_function_value] = STATE(67),
+    [aux_sym_declaration_repeat1] = STATE(67),
+    [aux_sym_SLASH_LPAREN_PLUS_PIPE_DASH_PIPE_RPAREN_BSLASHd_PLUS_SLASH] = ACTIONS(224),
+    [aux_sym_SLASH_LPAREN_PLUS_PIPE_DASH_PIPE_RPAREN_BSLASHd_STAR_LPAREN_DOT_BSLASHd_PLUS_PIPEe_LPAREN_DASH_PIPE_RPAREN_BSLASHd_PLUS_PIPE_DOT_BSLASHd_PLUSe_LPAREN_DASH_PIPE_RPAREN_BSLASHd_PLUS_RPAREN_SLASH] = ACTIONS(226),
+    [sym_color_value] = ACTIONS(228),
+    [sym_identifier] = ACTIONS(147),
+    [sym_comment] = ACTIONS(23),
+  },
+  [52] = {
+    [ts_builtin_sym_end] = ACTIONS(230),
+    [sym_import_statement] = ACTIONS(230),
+    [anon_sym_RBRACE] = ACTIONS(230),
+    [sym_nesting_selector] = ACTIONS(230),
+    [sym_universal_selector] = ACTIONS(230),
+    [anon_sym_DOT] = ACTIONS(230),
+    [anon_sym_COLON] = ACTIONS(232),
+    [anon_sym_COLON_COLON] = ACTIONS(230),
+    [anon_sym_POUND] = ACTIONS(230),
+    [anon_sym_LBRACK] = ACTIONS(230),
+    [sym_identifier] = ACTIONS(230),
+    [sym_comment] = ACTIONS(23),
+  },
+  [53] = {
+    [sym_rule_set] = STATE(53),
+    [sym_selectors] = STATE(9),
+    [sym__selector] = STATE(10),
+    [sym_class_selector] = STATE(10),
+    [sym_pseudo_class_selector] = STATE(10),
+    [sym_pseudo_element_selector] = STATE(10),
+    [sym_id_selector] = STATE(10),
+    [sym_attribute_selector] = STATE(10),
+    [sym_child_selector] = STATE(10),
+    [sym_descendant_selector] = STATE(10),
+    [sym_declaration] = STATE(53),
+    [aux_sym_block_repeat1] = STATE(53),
+    [anon_sym_RBRACE] = ACTIONS(234),
+    [sym_nesting_selector] = ACTIONS(236),
+    [sym_universal_selector] = ACTIONS(236),
+    [anon_sym_DOT] = ACTIONS(239),
+    [anon_sym_COLON] = ACTIONS(242),
+    [anon_sym_COLON_COLON] = ACTIONS(245),
+    [anon_sym_POUND] = ACTIONS(248),
+    [anon_sym_LBRACK] = ACTIONS(251),
+    [sym_identifier] = ACTIONS(254),
+    [sym_comment] = ACTIONS(23),
+  },
+  [54] = {
+    [sym__descendant_operator] = ACTIONS(257),
+    [anon_sym_COMMA] = ACTIONS(257),
+    [anon_sym_LBRACE] = ACTIONS(257),
+    [anon_sym_DOT] = ACTIONS(257),
+    [anon_sym_COLON] = ACTIONS(259),
+    [anon_sym_COLON_COLON] = ACTIONS(257),
+    [anon_sym_POUND] = ACTIONS(257),
+    [anon_sym_LBRACK] = ACTIONS(257),
+    [anon_sym_GT] = ACTIONS(257),
+    [sym_comment] = ACTIONS(23),
+  },
+  [55] = {
+    [sym__value] = STATE(68),
+    [sym_integer_value] = STATE(68),
+    [sym_float_value] = STATE(68),
+    [sym_function_value] = STATE(68),
+    [aux_sym_SLASH_LPAREN_PLUS_PIPE_DASH_PIPE_RPAREN_BSLASHd_PLUS_SLASH] = ACTIONS(139),
+    [aux_sym_SLASH_LPAREN_PLUS_PIPE_DASH_PIPE_RPAREN_BSLASHd_STAR_LPAREN_DOT_BSLASHd_PLUS_PIPEe_LPAREN_DASH_PIPE_RPAREN_BSLASHd_PLUS_PIPE_DOT_BSLASHd_PLUSe_LPAREN_DASH_PIPE_RPAREN_BSLASHd_PLUS_RPAREN_SLASH] = ACTIONS(141),
+    [sym_color_value] = ACTIONS(261),
+    [sym_identifier] = ACTIONS(147),
+    [sym_comment] = ACTIONS(23),
+  },
+  [56] = {
+    [sym__descendant_operator] = ACTIONS(263),
+    [anon_sym_COMMA] = ACTIONS(263),
+    [anon_sym_LBRACE] = ACTIONS(263),
+    [anon_sym_DOT] = ACTIONS(263),
+    [anon_sym_COLON] = ACTIONS(265),
+    [anon_sym_COLON_COLON] = ACTIONS(263),
+    [anon_sym_POUND] = ACTIONS(263),
+    [anon_sym_LBRACK] = ACTIONS(263),
+    [anon_sym_GT] = ACTIONS(263),
+    [sym_comment] = ACTIONS(23),
+  },
+  [57] = {
+    [anon_sym_COMMA] = ACTIONS(267),
+    [anon_sym_RBRACK] = ACTIONS(267),
+    [anon_sym_SEMI] = ACTIONS(267),
+    [aux_sym_SLASH_LPAREN_PLUS_PIPE_DASH_PIPE_RPAREN_BSLASHd_PLUS_SLASH] = ACTIONS(269),
+    [aux_sym_SLASH_LPAREN_PLUS_PIPE_DASH_PIPE_RPAREN_BSLASHd_STAR_LPAREN_DOT_BSLASHd_PLUS_PIPEe_LPAREN_DASH_PIPE_RPAREN_BSLASHd_PLUS_PIPE_DOT_BSLASHd_PLUSe_LPAREN_DASH_PIPE_RPAREN_BSLASHd_PLUS_RPAREN_SLASH] = ACTIONS(267),
+    [sym_color_value] = ACTIONS(267),
+    [anon_sym_RPAREN] = ACTIONS(267),
+    [sym_identifier] = ACTIONS(269),
+    [sym_comment] = ACTIONS(23),
+  },
+  [58] = {
+    [anon_sym_COMMA] = ACTIONS(271),
+    [anon_sym_RBRACK] = ACTIONS(271),
+    [anon_sym_SEMI] = ACTIONS(271),
+    [aux_sym_SLASH_LPAREN_PLUS_PIPE_DASH_PIPE_RPAREN_BSLASHd_PLUS_SLASH] = ACTIONS(273),
+    [aux_sym_SLASH_LPAREN_PLUS_PIPE_DASH_PIPE_RPAREN_BSLASHd_STAR_LPAREN_DOT_BSLASHd_PLUS_PIPEe_LPAREN_DASH_PIPE_RPAREN_BSLASHd_PLUS_PIPE_DOT_BSLASHd_PLUSe_LPAREN_DASH_PIPE_RPAREN_BSLASHd_PLUS_RPAREN_SLASH] = ACTIONS(271),
+    [sym_color_value] = ACTIONS(271),
+    [anon_sym_RPAREN] = ACTIONS(271),
+    [sym_identifier] = ACTIONS(273),
+    [sym_comment] = ACTIONS(23),
+  },
+  [59] = {
+    [sym__value] = STATE(70),
+    [sym_integer_value] = STATE(70),
+    [sym_float_value] = STATE(70),
+    [sym_function_value] = STATE(70),
+    [aux_sym_SLASH_LPAREN_PLUS_PIPE_DASH_PIPE_RPAREN_BSLASHd_PLUS_SLASH] = ACTIONS(139),
+    [aux_sym_SLASH_LPAREN_PLUS_PIPE_DASH_PIPE_RPAREN_BSLASHd_STAR_LPAREN_DOT_BSLASHd_PLUS_PIPEe_LPAREN_DASH_PIPE_RPAREN_BSLASHd_PLUS_PIPE_DOT_BSLASHd_PLUSe_LPAREN_DASH_PIPE_RPAREN_BSLASHd_PLUS_RPAREN_SLASH] = ACTIONS(141),
+    [sym_color_value] = ACTIONS(275),
+    [anon_sym_RPAREN] = ACTIONS(277),
+    [sym_identifier] = ACTIONS(147),
+    [sym_comment] = ACTIONS(23),
+  },
+  [60] = {
+    [anon_sym_COMMA] = ACTIONS(279),
+    [anon_sym_RBRACK] = ACTIONS(279),
+    [anon_sym_SEMI] = ACTIONS(279),
+    [aux_sym_SLASH_LPAREN_PLUS_PIPE_DASH_PIPE_RPAREN_BSLASHd_PLUS_SLASH] = ACTIONS(281),
+    [aux_sym_SLASH_LPAREN_PLUS_PIPE_DASH_PIPE_RPAREN_BSLASHd_STAR_LPAREN_DOT_BSLASHd_PLUS_PIPEe_LPAREN_DASH_PIPE_RPAREN_BSLASHd_PLUS_PIPE_DOT_BSLASHd_PLUSe_LPAREN_DASH_PIPE_RPAREN_BSLASHd_PLUS_RPAREN_SLASH] = ACTIONS(279),
+    [sym_color_value] = ACTIONS(279),
+    [anon_sym_RPAREN] = ACTIONS(279),
+    [sym_identifier] = ACTIONS(281),
+    [sym_comment] = ACTIONS(23),
+  },
+  [61] = {
+    [sym__value] = STATE(71),
+    [sym_integer_value] = STATE(71),
+    [sym_float_value] = STATE(71),
+    [sym_function_value] = STATE(71),
+    [aux_sym_SLASH_LPAREN_PLUS_PIPE_DASH_PIPE_RPAREN_BSLASHd_PLUS_SLASH] = ACTIONS(139),
+    [aux_sym_SLASH_LPAREN_PLUS_PIPE_DASH_PIPE_RPAREN_BSLASHd_STAR_LPAREN_DOT_BSLASHd_PLUS_PIPEe_LPAREN_DASH_PIPE_RPAREN_BSLASHd_PLUS_PIPE_DOT_BSLASHd_PLUSe_LPAREN_DASH_PIPE_RPAREN_BSLASHd_PLUS_RPAREN_SLASH] = ACTIONS(141),
+    [sym_color_value] = ACTIONS(283),
+    [sym_identifier] = ACTIONS(147),
+    [sym_comment] = ACTIONS(23),
+  },
+  [62] = {
+    [sym__descendant_operator] = ACTIONS(285),
+    [anon_sym_COMMA] = ACTIONS(285),
+    [anon_sym_LBRACE] = ACTIONS(285),
+    [anon_sym_DOT] = ACTIONS(285),
+    [anon_sym_COLON] = ACTIONS(287),
+    [anon_sym_COLON_COLON] = ACTIONS(285),
+    [anon_sym_POUND] = ACTIONS(285),
+    [anon_sym_LBRACK] = ACTIONS(285),
+    [anon_sym_GT] = ACTIONS(285),
+    [sym_comment] = ACTIONS(23),
+  },
+  [63] = {
+    [aux_sym_arguments_repeat1] = STATE(73),
+    [anon_sym_COMMA] = ACTIONS(218),
+    [anon_sym_RPAREN] = ACTIONS(289),
+    [sym_comment] = ACTIONS(23),
+  },
+  [64] = {
+    [sym__descendant_operator] = ACTIONS(291),
+    [anon_sym_COMMA] = ACTIONS(291),
+    [anon_sym_LBRACE] = ACTIONS(291),
+    [anon_sym_DOT] = ACTIONS(291),
+    [anon_sym_COLON] = ACTIONS(293),
+    [anon_sym_COLON_COLON] = ACTIONS(291),
+    [anon_sym_POUND] = ACTIONS(291),
+    [anon_sym_LBRACK] = ACTIONS(291),
+    [anon_sym_GT] = ACTIONS(291),
+    [sym_comment] = ACTIONS(23),
+  },
+  [65] = {
+    [anon_sym_SEMI] = ACTIONS(200),
+    [aux_sym_SLASH_LPAREN_PLUS_PIPE_DASH_PIPE_RPAREN_BSLASHd_PLUS_SLASH] = ACTIONS(295),
+    [aux_sym_SLASH_LPAREN_PLUS_PIPE_DASH_PIPE_RPAREN_BSLASHd_STAR_LPAREN_DOT_BSLASHd_PLUS_PIPEe_LPAREN_DASH_PIPE_RPAREN_BSLASHd_PLUS_PIPE_DOT_BSLASHd_PLUSe_LPAREN_DASH_PIPE_RPAREN_BSLASHd_PLUS_RPAREN_SLASH] = ACTIONS(200),
+    [sym_unit] = ACTIONS(297),
+    [sym_color_value] = ACTIONS(200),
+    [sym_identifier] = ACTIONS(295),
+    [sym_comment] = ACTIONS(23),
+  },
+  [66] = {
+    [anon_sym_SEMI] = ACTIONS(204),
+    [aux_sym_SLASH_LPAREN_PLUS_PIPE_DASH_PIPE_RPAREN_BSLASHd_PLUS_SLASH] = ACTIONS(299),
+    [aux_sym_SLASH_LPAREN_PLUS_PIPE_DASH_PIPE_RPAREN_BSLASHd_STAR_LPAREN_DOT_BSLASHd_PLUS_PIPEe_LPAREN_DASH_PIPE_RPAREN_BSLASHd_PLUS_PIPE_DOT_BSLASHd_PLUSe_LPAREN_DASH_PIPE_RPAREN_BSLASHd_PLUS_RPAREN_SLASH] = ACTIONS(204),
+    [sym_unit] = ACTIONS(301),
+    [sym_color_value] = ACTIONS(204),
+    [sym_identifier] = ACTIONS(299),
+    [sym_comment] = ACTIONS(23),
+  },
+  [67] = {
+    [sym__value] = STATE(75),
+    [sym_integer_value] = STATE(75),
+    [sym_float_value] = STATE(75),
+    [sym_function_value] = STATE(75),
+    [aux_sym_declaration_repeat1] = STATE(75),
+    [anon_sym_SEMI] = ACTIONS(303),
+    [aux_sym_SLASH_LPAREN_PLUS_PIPE_DASH_PIPE_RPAREN_BSLASHd_PLUS_SLASH] = ACTIONS(224),
+    [aux_sym_SLASH_LPAREN_PLUS_PIPE_DASH_PIPE_RPAREN_BSLASHd_STAR_LPAREN_DOT_BSLASHd_PLUS_PIPEe_LPAREN_DASH_PIPE_RPAREN_BSLASHd_PLUS_PIPE_DOT_BSLASHd_PLUSe_LPAREN_DASH_PIPE_RPAREN_BSLASHd_PLUS_RPAREN_SLASH] = ACTIONS(226),
+    [sym_color_value] = ACTIONS(305),
+    [sym_identifier] = ACTIONS(147),
+    [sym_comment] = ACTIONS(23),
+  },
+  [68] = {
+    [anon_sym_RBRACK] = ACTIONS(307),
+    [sym_comment] = ACTIONS(23),
+  },
+  [69] = {
+    [anon_sym_COMMA] = ACTIONS(208),
+    [anon_sym_RBRACK] = ACTIONS(208),
+    [anon_sym_SEMI] = ACTIONS(208),
+    [aux_sym_SLASH_LPAREN_PLUS_PIPE_DASH_PIPE_RPAREN_BSLASHd_PLUS_SLASH] = ACTIONS(210),
+    [aux_sym_SLASH_LPAREN_PLUS_PIPE_DASH_PIPE_RPAREN_BSLASHd_STAR_LPAREN_DOT_BSLASHd_PLUS_PIPEe_LPAREN_DASH_PIPE_RPAREN_BSLASHd_PLUS_PIPE_DOT_BSLASHd_PLUSe_LPAREN_DASH_PIPE_RPAREN_BSLASHd_PLUS_RPAREN_SLASH] = ACTIONS(208),
+    [sym_color_value] = ACTIONS(208),
+    [anon_sym_RPAREN] = ACTIONS(208),
+    [sym_identifier] = ACTIONS(210),
+    [sym_comment] = ACTIONS(23),
+  },
+  [70] = {
+    [aux_sym_arguments_repeat1] = STATE(78),
+    [anon_sym_COMMA] = ACTIONS(218),
+    [anon_sym_RPAREN] = ACTIONS(309),
+    [sym_comment] = ACTIONS(23),
+  },
+  [71] = {
+    [anon_sym_COMMA] = ACTIONS(311),
+    [anon_sym_RPAREN] = ACTIONS(311),
+    [sym_comment] = ACTIONS(23),
+  },
+  [72] = {
+    [sym__descendant_operator] = ACTIONS(313),
+    [anon_sym_COMMA] = ACTIONS(313),
+    [anon_sym_LBRACE] = ACTIONS(313),
+    [anon_sym_DOT] = ACTIONS(313),
+    [anon_sym_COLON] = ACTIONS(315),
+    [anon_sym_COLON_COLON] = ACTIONS(313),
+    [anon_sym_POUND] = ACTIONS(313),
+    [anon_sym_LBRACK] = ACTIONS(313),
+    [anon_sym_GT] = ACTIONS(313),
+    [sym_comment] = ACTIONS(23),
+  },
+  [73] = {
+    [aux_sym_arguments_repeat1] = STATE(73),
+    [anon_sym_COMMA] = ACTIONS(317),
+    [anon_sym_RPAREN] = ACTIONS(311),
+    [sym_comment] = ACTIONS(23),
+  },
+  [74] = {
+    [anon_sym_RBRACE] = ACTIONS(320),
+    [sym_nesting_selector] = ACTIONS(320),
+    [sym_universal_selector] = ACTIONS(320),
+    [anon_sym_DOT] = ACTIONS(320),
+    [anon_sym_COLON] = ACTIONS(322),
+    [anon_sym_COLON_COLON] = ACTIONS(320),
+    [anon_sym_POUND] = ACTIONS(320),
+    [anon_sym_LBRACK] = ACTIONS(320),
+    [sym_identifier] = ACTIONS(320),
+    [sym_comment] = ACTIONS(23),
+  },
+  [75] = {
+    [sym__value] = STATE(75),
+    [sym_integer_value] = STATE(75),
+    [sym_float_value] = STATE(75),
+    [sym_function_value] = STATE(75),
+    [aux_sym_declaration_repeat1] = STATE(75),
+    [anon_sym_SEMI] = ACTIONS(324),
+    [aux_sym_SLASH_LPAREN_PLUS_PIPE_DASH_PIPE_RPAREN_BSLASHd_PLUS_SLASH] = ACTIONS(326),
+    [aux_sym_SLASH_LPAREN_PLUS_PIPE_DASH_PIPE_RPAREN_BSLASHd_STAR_LPAREN_DOT_BSLASHd_PLUS_PIPEe_LPAREN_DASH_PIPE_RPAREN_BSLASHd_PLUS_PIPE_DOT_BSLASHd_PLUSe_LPAREN_DASH_PIPE_RPAREN_BSLASHd_PLUS_RPAREN_SLASH] = ACTIONS(329),
+    [sym_color_value] = ACTIONS(332),
+    [sym_identifier] = ACTIONS(335),
+    [sym_comment] = ACTIONS(23),
+  },
+  [76] = {
+    [sym__descendant_operator] = ACTIONS(338),
+    [anon_sym_COMMA] = ACTIONS(338),
+    [anon_sym_LBRACE] = ACTIONS(338),
+    [anon_sym_DOT] = ACTIONS(338),
+    [anon_sym_COLON] = ACTIONS(340),
+    [anon_sym_COLON_COLON] = ACTIONS(338),
+    [anon_sym_POUND] = ACTIONS(338),
+    [anon_sym_LBRACK] = ACTIONS(338),
+    [anon_sym_GT] = ACTIONS(338),
+    [sym_comment] = ACTIONS(23),
+  },
+  [77] = {
+    [anon_sym_COMMA] = ACTIONS(285),
+    [anon_sym_RBRACK] = ACTIONS(285),
+    [anon_sym_SEMI] = ACTIONS(285),
+    [aux_sym_SLASH_LPAREN_PLUS_PIPE_DASH_PIPE_RPAREN_BSLASHd_PLUS_SLASH] = ACTIONS(287),
+    [aux_sym_SLASH_LPAREN_PLUS_PIPE_DASH_PIPE_RPAREN_BSLASHd_STAR_LPAREN_DOT_BSLASHd_PLUS_PIPEe_LPAREN_DASH_PIPE_RPAREN_BSLASHd_PLUS_PIPE_DOT_BSLASHd_PLUSe_LPAREN_DASH_PIPE_RPAREN_BSLASHd_PLUS_RPAREN_SLASH] = ACTIONS(285),
+    [sym_color_value] = ACTIONS(285),
+    [anon_sym_RPAREN] = ACTIONS(285),
+    [sym_identifier] = ACTIONS(287),
+    [sym_comment] = ACTIONS(23),
+  },
+  [78] = {
+    [aux_sym_arguments_repeat1] = STATE(73),
+    [anon_sym_COMMA] = ACTIONS(218),
+    [anon_sym_RPAREN] = ACTIONS(342),
+    [sym_comment] = ACTIONS(23),
+  },
+  [79] = {
+    [anon_sym_COMMA] = ACTIONS(313),
+    [anon_sym_RBRACK] = ACTIONS(313),
+    [anon_sym_SEMI] = ACTIONS(313),
+    [aux_sym_SLASH_LPAREN_PLUS_PIPE_DASH_PIPE_RPAREN_BSLASHd_PLUS_SLASH] = ACTIONS(315),
+    [aux_sym_SLASH_LPAREN_PLUS_PIPE_DASH_PIPE_RPAREN_BSLASHd_STAR_LPAREN_DOT_BSLASHd_PLUS_PIPEe_LPAREN_DASH_PIPE_RPAREN_BSLASHd_PLUS_PIPE_DOT_BSLASHd_PLUSe_LPAREN_DASH_PIPE_RPAREN_BSLASHd_PLUS_RPAREN_SLASH] = ACTIONS(313),
+    [sym_color_value] = ACTIONS(313),
+    [anon_sym_RPAREN] = ACTIONS(313),
+    [sym_identifier] = ACTIONS(315),
+    [sym_comment] = ACTIONS(23),
   },
 };
 
@@ -1271,79 +2200,172 @@ static TSParseActionEntry ts_parse_actions[] = {
   [1] = {.count = 1, .reusable = true}, RECOVER(),
   [3] = {.count = 1, .reusable = false}, RECOVER(),
   [5] = {.count = 1, .reusable = true}, REDUCE(sym_stylesheet, 0),
-  [7] = {.count = 1, .reusable = true}, SHIFT(9),
-  [9] = {.count = 1, .reusable = true}, SHIFT(8),
+  [7] = {.count = 1, .reusable = true}, SHIFT(11),
+  [9] = {.count = 1, .reusable = true}, SHIFT(10),
   [11] = {.count = 1, .reusable = true}, SHIFT(2),
-  [13] = {.count = 1, .reusable = true}, SHIFT(3),
+  [13] = {.count = 1, .reusable = false}, SHIFT(3),
   [15] = {.count = 1, .reusable = true}, SHIFT(4),
   [17] = {.count = 1, .reusable = true}, SHIFT(5),
-  [19] = {.count = 1, .reusable = true}, SHIFT_EXTRA(),
-  [21] = {.count = 1, .reusable = true}, SHIFT(10),
-  [23] = {.count = 1, .reusable = true}, SHIFT(11),
+  [19] = {.count = 1, .reusable = true}, SHIFT(6),
+  [21] = {.count = 1, .reusable = true}, SHIFT(7),
+  [23] = {.count = 1, .reusable = true}, SHIFT_EXTRA(),
   [25] = {.count = 1, .reusable = true}, SHIFT(12),
-  [27] = {.count = 1, .reusable = true}, REDUCE(sym_type_selector, 1),
-  [29] = {.count = 1, .reusable = false}, REDUCE(sym_type_selector, 1),
-  [31] = {.count = 1, .reusable = true}, ACCEPT_INPUT(),
-  [33] = {.count = 1, .reusable = true}, SHIFT(14),
-  [35] = {.count = 1, .reusable = true}, SHIFT(16),
-  [37] = {.count = 1, .reusable = true}, REDUCE(sym_selectors, 1),
-  [39] = {.count = 1, .reusable = true}, SHIFT(19),
-  [41] = {.count = 1, .reusable = false}, SHIFT(4),
-  [43] = {.count = 1, .reusable = true}, SHIFT(17),
-  [45] = {.count = 1, .reusable = true}, SHIFT(18),
-  [47] = {.count = 1, .reusable = true}, REDUCE(sym_stylesheet, 1),
+  [27] = {.count = 1, .reusable = true}, SHIFT(13),
+  [29] = {.count = 1, .reusable = true}, SHIFT(14),
+  [31] = {.count = 1, .reusable = true}, SHIFT(15),
+  [33] = {.count = 1, .reusable = true}, SHIFT(16),
+  [35] = {.count = 1, .reusable = true}, REDUCE(sym__selector, 1, .alias_sequence_id = 1),
+  [37] = {.count = 1, .reusable = false}, REDUCE(sym__selector, 1, .alias_sequence_id = 1),
+  [39] = {.count = 1, .reusable = true}, ACCEPT_INPUT(),
+  [41] = {.count = 1, .reusable = true}, SHIFT(17),
+  [43] = {.count = 1, .reusable = true}, SHIFT(19),
+  [45] = {.count = 1, .reusable = true}, SHIFT(20),
+  [47] = {.count = 1, .reusable = true}, REDUCE(sym_selectors, 1),
   [49] = {.count = 1, .reusable = true}, SHIFT(21),
-  [51] = {.count = 1, .reusable = true}, REDUCE(sym_class_selector, 2),
-  [53] = {.count = 1, .reusable = false}, REDUCE(sym_class_selector, 2),
-  [55] = {.count = 1, .reusable = true}, REDUCE(sym_id_selector, 2),
-  [57] = {.count = 1, .reusable = false}, REDUCE(sym_id_selector, 2),
-  [59] = {.count = 1, .reusable = true}, REDUCE(sym_property_name, 1),
-  [61] = {.count = 1, .reusable = true}, SHIFT(22),
-  [63] = {.count = 1, .reusable = true}, SHIFT(23),
-  [65] = {.count = 1, .reusable = true}, SHIFT(24),
-  [67] = {.count = 1, .reusable = true}, REDUCE(sym_rule_set, 2),
-  [69] = {.count = 1, .reusable = true}, SHIFT(27),
-  [71] = {.count = 1, .reusable = true}, SHIFT(29),
-  [73] = {.count = 1, .reusable = true}, REDUCE(sym_descendant_selector, 2),
-  [75] = {.count = 1, .reusable = false}, REDUCE(sym_descendant_selector, 2),
-  [77] = {.count = 1, .reusable = true}, REDUCE(sym_selectors, 2),
-  [79] = {.count = 1, .reusable = true}, REDUCE(aux_sym_stylesheet_repeat1, 2),
-  [81] = {.count = 2, .reusable = true}, REDUCE(aux_sym_stylesheet_repeat1, 2), SHIFT_REPEAT(21),
-  [84] = {.count = 2, .reusable = true}, REDUCE(aux_sym_stylesheet_repeat1, 2), SHIFT_REPEAT(8),
-  [87] = {.count = 2, .reusable = true}, REDUCE(aux_sym_stylesheet_repeat1, 2), SHIFT_REPEAT(2),
-  [90] = {.count = 2, .reusable = true}, REDUCE(aux_sym_stylesheet_repeat1, 2), SHIFT_REPEAT(3),
-  [93] = {.count = 2, .reusable = true}, REDUCE(aux_sym_stylesheet_repeat1, 2), SHIFT_REPEAT(4),
-  [96] = {.count = 2, .reusable = true}, REDUCE(aux_sym_stylesheet_repeat1, 2), SHIFT_REPEAT(5),
-  [99] = {.count = 1, .reusable = false}, SHIFT(31),
-  [101] = {.count = 1, .reusable = false}, SHIFT_EXTRA(),
-  [103] = {.count = 1, .reusable = true}, REDUCE(sym_attribute_selector, 3),
-  [105] = {.count = 1, .reusable = false}, REDUCE(sym_attribute_selector, 3),
-  [107] = {.count = 1, .reusable = true}, REDUCE(sym_block, 2),
-  [109] = {.count = 1, .reusable = true}, SHIFT(32),
-  [111] = {.count = 1, .reusable = true}, SHIFT(33),
-  [113] = {.count = 1, .reusable = true}, REDUCE(aux_sym_selectors_repeat1, 2),
-  [115] = {.count = 1, .reusable = true}, SHIFT(35),
-  [117] = {.count = 1, .reusable = true}, SHIFT(36),
-  [119] = {.count = 1, .reusable = true}, REDUCE(sym_child_selector, 3),
-  [121] = {.count = 1, .reusable = false}, REDUCE(sym_child_selector, 3),
-  [123] = {.count = 2, .reusable = true}, REDUCE(aux_sym_selectors_repeat1, 2), SHIFT_REPEAT(16),
-  [126] = {.count = 1, .reusable = true}, SHIFT(37),
-  [128] = {.count = 1, .reusable = false}, SHIFT(38),
-  [130] = {.count = 1, .reusable = true}, REDUCE(sym_block, 3),
-  [132] = {.count = 1, .reusable = true}, REDUCE(aux_sym_block_repeat1, 2),
-  [134] = {.count = 2, .reusable = true}, REDUCE(aux_sym_block_repeat1, 2), SHIFT_REPEAT(12),
-  [137] = {.count = 1, .reusable = false}, SHIFT(39),
-  [139] = {.count = 1, .reusable = true}, REDUCE(sym_attribute_selector, 4),
-  [141] = {.count = 1, .reusable = false}, REDUCE(sym_attribute_selector, 4),
-  [143] = {.count = 1, .reusable = true}, REDUCE(sym_attribute_selector, 5),
-  [145] = {.count = 1, .reusable = false}, REDUCE(sym_attribute_selector, 5),
-  [147] = {.count = 1, .reusable = true}, SHIFT(40),
-  [149] = {.count = 1, .reusable = true}, SHIFT(41),
-  [151] = {.count = 1, .reusable = true}, REDUCE(sym_declaration, 4),
-  [153] = {.count = 1, .reusable = true}, REDUCE(sym_attribute_selector, 6),
-  [155] = {.count = 1, .reusable = false}, REDUCE(sym_attribute_selector, 6),
+  [51] = {.count = 1, .reusable = false}, SHIFT(22),
+  [53] = {.count = 1, .reusable = true}, SHIFT(23),
+  [55] = {.count = 1, .reusable = true}, SHIFT(24),
+  [57] = {.count = 1, .reusable = true}, SHIFT(25),
+  [59] = {.count = 1, .reusable = true}, SHIFT(26),
+  [61] = {.count = 1, .reusable = true}, REDUCE(sym_stylesheet, 1),
+  [63] = {.count = 1, .reusable = true}, SHIFT(28),
+  [65] = {.count = 1, .reusable = true}, REDUCE(sym_class_selector, 2, .alias_sequence_id = 2),
+  [67] = {.count = 1, .reusable = false}, REDUCE(sym_class_selector, 2, .alias_sequence_id = 2),
+  [69] = {.count = 1, .reusable = true}, REDUCE(sym_pseudo_class_selector, 2, .alias_sequence_id = 2),
+  [71] = {.count = 1, .reusable = false}, REDUCE(sym_pseudo_class_selector, 2, .alias_sequence_id = 2),
+  [73] = {.count = 1, .reusable = true}, SHIFT(29),
+  [75] = {.count = 1, .reusable = true}, REDUCE(sym_pseudo_element_selector, 2, .alias_sequence_id = 3),
+  [77] = {.count = 1, .reusable = false}, REDUCE(sym_pseudo_element_selector, 2, .alias_sequence_id = 3),
+  [79] = {.count = 1, .reusable = true}, REDUCE(sym_id_selector, 2, .alias_sequence_id = 4),
+  [81] = {.count = 1, .reusable = false}, REDUCE(sym_id_selector, 2, .alias_sequence_id = 4),
+  [83] = {.count = 1, .reusable = true}, SHIFT(31),
+  [85] = {.count = 1, .reusable = true}, SHIFT(32),
+  [87] = {.count = 1, .reusable = true}, SHIFT(33),
+  [89] = {.count = 1, .reusable = true}, SHIFT(34),
+  [91] = {.count = 1, .reusable = true}, REDUCE(sym_rule_set, 2),
+  [93] = {.count = 1, .reusable = false}, REDUCE(sym_rule_set, 2),
+  [95] = {.count = 1, .reusable = true}, SHIFT(36),
+  [97] = {.count = 1, .reusable = true}, SHIFT(37),
+  [99] = {.count = 1, .reusable = true}, SHIFT(38),
+  [101] = {.count = 1, .reusable = true}, SHIFT(39),
+  [103] = {.count = 1, .reusable = true}, SHIFT(40),
+  [105] = {.count = 1, .reusable = true}, SHIFT(41),
+  [107] = {.count = 1, .reusable = true}, SHIFT(42),
+  [109] = {.count = 1, .reusable = true}, SHIFT(43),
+  [111] = {.count = 1, .reusable = true}, REDUCE(sym_selectors, 2),
+  [113] = {.count = 1, .reusable = true}, REDUCE(aux_sym_stylesheet_repeat1, 2),
+  [115] = {.count = 2, .reusable = true}, REDUCE(aux_sym_stylesheet_repeat1, 2), SHIFT_REPEAT(28),
+  [118] = {.count = 2, .reusable = true}, REDUCE(aux_sym_stylesheet_repeat1, 2), SHIFT_REPEAT(10),
+  [121] = {.count = 2, .reusable = true}, REDUCE(aux_sym_stylesheet_repeat1, 2), SHIFT_REPEAT(2),
+  [124] = {.count = 2, .reusable = false}, REDUCE(aux_sym_stylesheet_repeat1, 2), SHIFT_REPEAT(3),
+  [127] = {.count = 2, .reusable = true}, REDUCE(aux_sym_stylesheet_repeat1, 2), SHIFT_REPEAT(4),
+  [130] = {.count = 2, .reusable = true}, REDUCE(aux_sym_stylesheet_repeat1, 2), SHIFT_REPEAT(5),
+  [133] = {.count = 2, .reusable = true}, REDUCE(aux_sym_stylesheet_repeat1, 2), SHIFT_REPEAT(6),
+  [136] = {.count = 2, .reusable = true}, REDUCE(aux_sym_stylesheet_repeat1, 2), SHIFT_REPEAT(7),
+  [139] = {.count = 1, .reusable = false}, SHIFT(45),
+  [141] = {.count = 1, .reusable = true}, SHIFT(46),
+  [143] = {.count = 1, .reusable = true}, SHIFT(49),
+  [145] = {.count = 1, .reusable = true}, SHIFT(47),
+  [147] = {.count = 1, .reusable = false}, SHIFT(48),
+  [149] = {.count = 1, .reusable = true}, REDUCE(sym_pseudo_class_selector, 3, .alias_sequence_id = 2),
+  [151] = {.count = 1, .reusable = false}, REDUCE(sym_pseudo_class_selector, 3, .alias_sequence_id = 2),
+  [153] = {.count = 1, .reusable = true}, SHIFT(50),
+  [155] = {.count = 1, .reusable = true}, REDUCE(sym_attribute_selector, 3, .alias_sequence_id = 5),
+  [157] = {.count = 1, .reusable = false}, REDUCE(sym_attribute_selector, 3, .alias_sequence_id = 5),
+  [159] = {.count = 1, .reusable = true}, REDUCE(sym_block, 2),
+  [161] = {.count = 1, .reusable = false}, REDUCE(sym_block, 2),
+  [163] = {.count = 1, .reusable = false}, SHIFT(51),
+  [165] = {.count = 1, .reusable = true}, SHIFT(52),
+  [167] = {.count = 1, .reusable = true}, REDUCE(sym_descendant_selector, 3),
+  [169] = {.count = 1, .reusable = false}, REDUCE(sym_descendant_selector, 3),
+  [171] = {.count = 1, .reusable = true}, REDUCE(aux_sym_selectors_repeat1, 2),
+  [173] = {.count = 1, .reusable = true}, REDUCE(sym_class_selector, 3, .alias_sequence_id = 6),
+  [175] = {.count = 1, .reusable = false}, REDUCE(sym_class_selector, 3, .alias_sequence_id = 6),
+  [177] = {.count = 1, .reusable = true}, REDUCE(sym_pseudo_class_selector, 3, .alias_sequence_id = 6),
+  [179] = {.count = 1, .reusable = false}, REDUCE(sym_pseudo_class_selector, 3, .alias_sequence_id = 6),
+  [181] = {.count = 1, .reusable = true}, REDUCE(sym_pseudo_element_selector, 3, .alias_sequence_id = 7),
+  [183] = {.count = 1, .reusable = false}, REDUCE(sym_pseudo_element_selector, 3, .alias_sequence_id = 7),
+  [185] = {.count = 1, .reusable = true}, REDUCE(sym_id_selector, 3, .alias_sequence_id = 8),
+  [187] = {.count = 1, .reusable = false}, REDUCE(sym_id_selector, 3, .alias_sequence_id = 8),
+  [189] = {.count = 1, .reusable = true}, SHIFT(55),
+  [191] = {.count = 1, .reusable = true}, SHIFT(56),
+  [193] = {.count = 1, .reusable = true}, REDUCE(sym_child_selector, 3),
+  [195] = {.count = 1, .reusable = false}, REDUCE(sym_child_selector, 3),
+  [197] = {.count = 2, .reusable = true}, REDUCE(aux_sym_selectors_repeat1, 2), SHIFT_REPEAT(20),
+  [200] = {.count = 1, .reusable = true}, REDUCE(sym_integer_value, 1),
+  [202] = {.count = 1, .reusable = true}, SHIFT(57),
+  [204] = {.count = 1, .reusable = true}, REDUCE(sym_float_value, 1),
+  [206] = {.count = 1, .reusable = true}, SHIFT(58),
+  [208] = {.count = 1, .reusable = true}, REDUCE(sym_arguments, 2),
+  [210] = {.count = 1, .reusable = false}, REDUCE(sym_arguments, 2),
+  [212] = {.count = 1, .reusable = true}, REDUCE(sym__value, 1, .alias_sequence_id = 9),
+  [214] = {.count = 1, .reusable = false}, REDUCE(sym__value, 1, .alias_sequence_id = 9),
+  [216] = {.count = 1, .reusable = true}, SHIFT(59),
+  [218] = {.count = 1, .reusable = true}, SHIFT(61),
+  [220] = {.count = 1, .reusable = true}, SHIFT(62),
+  [222] = {.count = 1, .reusable = true}, SHIFT(64),
+  [224] = {.count = 1, .reusable = false}, SHIFT(65),
+  [226] = {.count = 1, .reusable = true}, SHIFT(66),
+  [228] = {.count = 1, .reusable = true}, SHIFT(67),
+  [230] = {.count = 1, .reusable = true}, REDUCE(sym_block, 3),
+  [232] = {.count = 1, .reusable = false}, REDUCE(sym_block, 3),
+  [234] = {.count = 1, .reusable = true}, REDUCE(aux_sym_block_repeat1, 2),
+  [236] = {.count = 2, .reusable = true}, REDUCE(aux_sym_block_repeat1, 2), SHIFT_REPEAT(10),
+  [239] = {.count = 2, .reusable = true}, REDUCE(aux_sym_block_repeat1, 2), SHIFT_REPEAT(2),
+  [242] = {.count = 2, .reusable = false}, REDUCE(aux_sym_block_repeat1, 2), SHIFT_REPEAT(3),
+  [245] = {.count = 2, .reusable = true}, REDUCE(aux_sym_block_repeat1, 2), SHIFT_REPEAT(4),
+  [248] = {.count = 2, .reusable = true}, REDUCE(aux_sym_block_repeat1, 2), SHIFT_REPEAT(5),
+  [251] = {.count = 2, .reusable = true}, REDUCE(aux_sym_block_repeat1, 2), SHIFT_REPEAT(6),
+  [254] = {.count = 2, .reusable = true}, REDUCE(aux_sym_block_repeat1, 2), SHIFT_REPEAT(34),
+  [257] = {.count = 1, .reusable = true}, REDUCE(sym_pseudo_class_selector, 4, .alias_sequence_id = 6),
+  [259] = {.count = 1, .reusable = false}, REDUCE(sym_pseudo_class_selector, 4, .alias_sequence_id = 6),
+  [261] = {.count = 1, .reusable = true}, SHIFT(68),
+  [263] = {.count = 1, .reusable = true}, REDUCE(sym_attribute_selector, 4, .alias_sequence_id = 10),
+  [265] = {.count = 1, .reusable = false}, REDUCE(sym_attribute_selector, 4, .alias_sequence_id = 10),
+  [267] = {.count = 1, .reusable = true}, REDUCE(sym_integer_value, 2),
+  [269] = {.count = 1, .reusable = false}, REDUCE(sym_integer_value, 2),
+  [271] = {.count = 1, .reusable = true}, REDUCE(sym_float_value, 2),
+  [273] = {.count = 1, .reusable = false}, REDUCE(sym_float_value, 2),
+  [275] = {.count = 1, .reusable = true}, SHIFT(70),
+  [277] = {.count = 1, .reusable = true}, SHIFT(69),
+  [279] = {.count = 1, .reusable = true}, REDUCE(sym_function_value, 2, .alias_sequence_id = 11),
+  [281] = {.count = 1, .reusable = false}, REDUCE(sym_function_value, 2, .alias_sequence_id = 11),
+  [283] = {.count = 1, .reusable = true}, SHIFT(71),
+  [285] = {.count = 1, .reusable = true}, REDUCE(sym_arguments, 3),
+  [287] = {.count = 1, .reusable = false}, REDUCE(sym_arguments, 3),
+  [289] = {.count = 1, .reusable = true}, SHIFT(72),
+  [291] = {.count = 1, .reusable = true}, REDUCE(sym_attribute_selector, 5, .alias_sequence_id = 5),
+  [293] = {.count = 1, .reusable = false}, REDUCE(sym_attribute_selector, 5, .alias_sequence_id = 5),
+  [295] = {.count = 1, .reusable = false}, REDUCE(sym_integer_value, 1),
+  [297] = {.count = 1, .reusable = false}, SHIFT(57),
+  [299] = {.count = 1, .reusable = false}, REDUCE(sym_float_value, 1),
+  [301] = {.count = 1, .reusable = false}, SHIFT(58),
+  [303] = {.count = 1, .reusable = true}, SHIFT(74),
+  [305] = {.count = 1, .reusable = true}, SHIFT(75),
+  [307] = {.count = 1, .reusable = true}, SHIFT(76),
+  [309] = {.count = 1, .reusable = true}, SHIFT(77),
+  [311] = {.count = 1, .reusable = true}, REDUCE(aux_sym_arguments_repeat1, 2),
+  [313] = {.count = 1, .reusable = true}, REDUCE(sym_arguments, 4),
+  [315] = {.count = 1, .reusable = false}, REDUCE(sym_arguments, 4),
+  [317] = {.count = 2, .reusable = true}, REDUCE(aux_sym_arguments_repeat1, 2), SHIFT_REPEAT(61),
+  [320] = {.count = 1, .reusable = true}, REDUCE(sym_declaration, 4, .alias_sequence_id = 12),
+  [322] = {.count = 1, .reusable = false}, REDUCE(sym_declaration, 4, .alias_sequence_id = 12),
+  [324] = {.count = 1, .reusable = true}, REDUCE(aux_sym_declaration_repeat1, 2),
+  [326] = {.count = 2, .reusable = false}, REDUCE(aux_sym_declaration_repeat1, 2), SHIFT_REPEAT(65),
+  [329] = {.count = 2, .reusable = true}, REDUCE(aux_sym_declaration_repeat1, 2), SHIFT_REPEAT(66),
+  [332] = {.count = 2, .reusable = true}, REDUCE(aux_sym_declaration_repeat1, 2), SHIFT_REPEAT(75),
+  [335] = {.count = 2, .reusable = false}, REDUCE(aux_sym_declaration_repeat1, 2), SHIFT_REPEAT(48),
+  [338] = {.count = 1, .reusable = true}, REDUCE(sym_attribute_selector, 6, .alias_sequence_id = 10),
+  [340] = {.count = 1, .reusable = false}, REDUCE(sym_attribute_selector, 6, .alias_sequence_id = 10),
+  [342] = {.count = 1, .reusable = true}, SHIFT(79),
 };
 
+void *tree_sitter_css_external_scanner_create();
+void tree_sitter_css_external_scanner_destroy(void *);
+bool tree_sitter_css_external_scanner_scan(void *, TSLexer *, const bool *);
+unsigned tree_sitter_css_external_scanner_serialize(void *, char *);
+void tree_sitter_css_external_scanner_deserialize(void *, const char *, unsigned);
+
 #ifdef _WIN32
 #define extern __declspec(dllexport)
 #endif
@@ -1359,9 +2381,19 @@ extern const TSLanguage *tree_sitter_css() {
     .parse_actions = ts_parse_actions,
     .lex_modes = ts_lex_modes,
     .symbol_names = ts_symbol_names,
+    .alias_sequences = (const TSSymbol *)ts_alias_sequences,
     .max_alias_sequence_length = MAX_ALIAS_SEQUENCE_LENGTH,
     .lex_fn = ts_lex,
     .external_token_count = EXTERNAL_TOKEN_COUNT,
+    .external_scanner = {
+      (const bool *)ts_external_scanner_states,
+      ts_external_scanner_symbol_map,
+      tree_sitter_css_external_scanner_create,
+      tree_sitter_css_external_scanner_destroy,
+      tree_sitter_css_external_scanner_scan,
+      tree_sitter_css_external_scanner_serialize,
+      tree_sitter_css_external_scanner_deserialize,
+    },
   };
   return &language;
 }
diff --git a/src/scanner.c b/src/scanner.c
new file mode 100644
index 0000000..050bc85
--- /dev/null
+++ b/src/scanner.c
@@ -0,0 +1,36 @@
+#include <tree_sitter/parser.h>
+#include <wctype.h>
+
+enum TokenType {
+  DESCENDANT_OP,
+};
+
+void *tree_sitter_css_external_scanner_create() { return NULL; }
+void tree_sitter_css_external_scanner_destroy(void *p) {}
+void tree_sitter_css_external_scanner_reset(void *p) {}
+unsigned tree_sitter_css_external_scanner_serialize(void *p, char *buffer) { return 0; }
+void tree_sitter_css_external_scanner_deserialize(void *p, const char *b, unsigned n) {}
+
+bool tree_sitter_css_external_scanner_scan(void *payload, TSLexer *lexer, const bool *valid_symbols) {
+  if (iswspace(lexer->lookahead)) {
+    lexer->advance(lexer, true);
+
+    while (iswspace(lexer->lookahead)) {
+      lexer->advance(lexer, true);
+    }
+
+    if (
+      lexer->lookahead == '#' ||
+      lexer->lookahead == '.' ||
+      lexer->lookahead == '[' ||
+      lexer->lookahead == ':' ||
+      lexer->lookahead == '-' ||
+      iswalnum(lexer->lookahead)
+    ) {
+      lexer->result_symbol = DESCENDANT_OP;
+      return true;
+    }
+  }
+
+  return false;
+}