kmx.io/prism.js

diff --git a/components/prism-css-extras.js b/components/prism-css-extras.js
index 2d0e7ec..266de83 100644
--- a/components/prism-css-extras.js
+++ b/components/prism-css-extras.js
@@ -12,5 +12,10 @@ Prism.languages.insertBefore('css', 'ignore', {
 	'hexcode': /#[\da-f]{3,6}/gi,
 	'entity': /\\[\da-f]{1,8}/gi,
 	'number': /[\d%\.]+/g,
-	'function': /(attr|calc|cross-fade|cycle|element|hsla?|image|lang|linear-gradient|matrix3d|matrix|perspective|radial-gradient|repeating-linear-gradient|repeating-radial-gradient|rgba?|rotatex|rotatey|rotatez|rotate3d|rotate|scalex|scaley|scalez|scale3d|scale|skewx|skewy|skew|steps|translatex|translatey|translatez|translate3d|translate|url|var)/ig
+	'function': {
+		pattern: /[-a-z0-9]+\(/ig,
+		inside: {
+			punctuation: /\(/
+		}
+	}
 });
\ No newline at end of file