What is Stylus
Check this page, it's well documented.
// Convert this http://softwaremaniacs.org/media/soft/highlight/styles/github.css
// to Github.styl
// For use with Hexo -- a node.js blog framework (it's awesome!)
Here you go:
Github.styl
pre
// Theme: GitHub (c) Vasily Polovnyov <vast@whiteants.net>
// More theme here: http://bit.ly/b0uq5L
code
display: block
padding: 0.5em
color: #333
background: #f8f8ff
.comment
.template_comment
.diff .header
.javadoc
color: #998
font-style: italic
.keyword
.css .rule .keyword
.winutils
.javascript .title
.nginx .title
.subst
.request
.status
color: #333
font-weight: bold
.number
.hexcolor
.ruby .constant
color: #099
.string
.tag .value
.phpdoc
.tex .formula
color: #d14
.title
.id
color: #900
font-weight: bold
.javascript .title
.lisp .title
.clojure .title
.subst
font-weight: normal
.class .title
.haskell .type
.vhdl .literal
.tex .command
color: #458
font-weight: bold
.tag
.tag .title
.rules .property
.django .tag .keyword
color: #000080
font-weight: normal
.attribute
.variable
.lisp .body
color: #008080
.regexp
color: #009926
.class
color: #458
font-weight: bold
.symbol
.ruby .symbol .string
.lisp .keyword
.tex .special
.prompt
color: #990073
.built_in
.lisp .title
.clojure .built_in
color: #0086b3
.preprocessor
.pi
.doctype
.shebang
.cdata
color: #999
font-weight: bold
.deletion
background: #fdd
.addition
background: #dfd
.diff .change
background: #0086b3
.chunk
color: #aaa