diff --git a/source/css/_partial/highlight.styl b/source/css/_partial/highlight.styl
index 28b1044..2f8f642 100644
--- a/source/css/_partial/highlight.styl
+++ b/source/css/_partial/highlight.styl
@@ -160,6 +160,7 @@ pre
   .ruby .symbol
   .symbol .string
   .xml .cdata
+  .function .title
     color: highlight-green
   .css .hexcolor
   .phpdoc