diff --git a/src/color/mod.rs b/src/color/mod.rs
index 4195be4..38db906 100644
--- a/src/color/mod.rs
+++ b/src/color/mod.rs
@@ -370,7 +370,7 @@ impl Color {
 
     /// Create RGBA representation from HSLA values
     pub fn from_hsla(hue: Number, saturation: Number, luminance: Number, alpha: Number) -> Self {
-        let mut hue = if hue > Number::from(360) {
+        let mut hue = if hue >= Number::from(360) {
             hue % Number::from(360)
         } else if hue < Number::from(-360) {
             Number::from(360) + hue % Number::from(360)
diff --git a/src/parse/value/parse.rs b/src/parse/value/parse.rs
index d58d37a..71d03db 100644
--- a/src/parse/value/parse.rs
+++ b/src/parse/value/parse.rs
@@ -11,7 +11,7 @@ use peekmore::{PeekMore, PeekMoreIterator};
 use crate::{
     builtin::GLOBAL_FUNCTIONS,
     color::{Color, NAMED_COLORS},
-    common::{Brackets, Identifier, ListSeparator, Op, QuoteKind},
+    common::{unvendor, Brackets, Identifier, ListSeparator, Op, QuoteKind},
     error::SassResult,
     unit::Unit,
     utils::{
@@ -343,7 +343,7 @@ impl<'a> Parser<'a> {
                             .span(span));
                         } else {
                             // check for special cased CSS functions
-                            match lower.as_str() {
+                            match unvendor(&lower) {
                                 "calc" | "element" | "expression" => {
                                     s = lower;
                                     self.parse_calc_args(&mut s)?;
diff --git a/tests/color.rs b/tests/color.rs
index 3fa4968..86bd048 100644
--- a/tests/color.rs
+++ b/tests/color.rs
@@ -247,6 +247,11 @@ test!(
     "a {\n  color: hue(rgb(1, 0, 1));\n}\n",
     "a {\n  color: 300deg;\n}\n"
 );
+test!(
+    hue_of_360_becomes_0,
+    "a {\n  color: hue(hsl(360, 10%, 20%));\n}\n",
+    "a {\n  color: 0deg;\n}\n"
+);
 test!(
     hue_green_equals_blue,
     "a {\n  color: hue(rgb(0, 1, 1));\n}\n",
diff --git a/tests/special-functions.rs b/tests/special-functions.rs
index a60452b..8ec9a55 100644
--- a/tests/special-functions.rs
+++ b/tests/special-functions.rs
@@ -46,6 +46,11 @@ test!(
     "a {\n  color: cAlC(1 + 1);\n}\n",
     "a {\n  color: calc(1 + 1);\n}\n"
 );
+test!(
+    calc_browser_prefixed,
+    "a {\n  color: -webkit-calc(1 + 2);\n}\n",
+    "a {\n  color: -webkit-calc(1 + 2);\n}\n"
+);
 test!(
     element_whitespace,
     "a {\n  color: element(       1      );\n}\n",
@@ -81,6 +86,11 @@ test!(
     element_nested_parens,
     "a {\n  color: element((((()))));\n}\n"
 );
+test!(
+    element_browser_prefixed,
+    "a {\n  color: -webkit-element(1 + 2);\n}\n",
+    "a {\n  color: -webkit-element(1 + 2);\n}\n"
+);
 test!(
     expression_whitespace,
     "a {\n  color: expression(       1      );\n}\n",
@@ -116,6 +126,11 @@ test!(
     expression_nested_parens,
     "a {\n  color: expression((((()))));\n}\n"
 );
+test!(
+    expression_browser_prefixed,
+    "a {\n  color: -webkit-expression(1 + 2);\n}\n",
+    "a {\n  color: -webkit-expression(1 + 2);\n}\n"
+);
 test!(
     progid_whitespace,
     "a {\n  color: progid:(       1      );\n}\n",
diff --git a/tests/url.rs b/tests/url.rs
index 0373825..5228f07 100644
--- a/tests/url.rs
+++ b/tests/url.rs
@@ -134,6 +134,11 @@ test!(
     "a {\n  color: UrL(http://foo);\n}\n",
     "a {\n  color: url(http://foo);\n}\n"
 );
+test!(
+    url_browser_prefixed,
+    "a {\n  color: -webkit-url(https://google.com);\n}\n",
+    "a {\n  color: url(https://google.com);\n}\n"
+);
 error!(
     url_nothing_after_forward_slash_in_interpolation,
     "a { color: url(#{/", "Error: Expected expression."