do not emit newline between media query and ruleset

src/output.rs

@@ -264,7 +264,9 @@ impl Css {
                         last_toplevel = ToplevelKind::Other;
                     }
                     _ => {
-                        if last_toplevel != ToplevelKind::Comment {
+                        if last_toplevel != ToplevelKind::Comment
+                            && last_toplevel != ToplevelKind::Media
+                        {
                             self.blocks.push(Toplevel::Newline);
                         }
 
@@ -624,7 +626,7 @@ impl Formatter for ExpandedFormatter {
                         continue;
                     }
 
-                    if should_emit_newline {
+                    if should_emit_newline && has_written {
                         should_emit_newline = false;
                         writeln!(buf)?;
                     }

tests/media.rs

@@ -189,6 +189,36 @@ test!(
     }",
     "a {\n  color: red;\n}\n\n@media (min-width: 0px) {\n  a {\n    color: red;\n  }\n}\n@media (min-width: 0px) {\n  a {\n    color: red;\n  }\n}\n"
 );
+test!(
+    no_newline_after_media_after_ruleset,
+    "a {
+      color: red;
+    }
+    
+    @media (min-width: 0px) {
+      b {
+        color: red;
+      }
+    }
+    
+    d {
+      color: red;
+    }",
+    "a {\n  color: red;\n}\n\n@media (min-width: 0px) {\n  b {\n    color: red;\n  }\n}\nd {\n  color: red;\n}\n"
+);
+test!(
+    no_newline_after_media,
+    "@media (min-width: 0px) {
+      b {
+        color: red;
+      }
+    }
+    
+    d {
+      color: red;
+    }",
+    "@media (min-width: 0px) {\n  b {\n    color: red;\n  }\n}\nd {\n  color: red;\n}\n"
+);
 
 error!(
     media_feature_missing_closing_paren,