Improve hightlighting for Lisps

Author: Raincal

source/css/_common/components/highlight/highlight.styl

@@ -122,6 +122,7 @@ pre {
   .variable
   .attribute
   .tag
+  .name
   .regexp
   .ruby .constant
   .xml .tag .title
@@ -148,13 +149,13 @@ pre {
   .ruby .class .title
   .css .rules .attribute
   .string
+  .symbol
   .value
   .inheritance
   .header
   .ruby .symbol
   .xml .cdata
   .special
-  .number
   .formula {
     color: $highlight-green;
   }