Convert prism-tomorrow.css to stylus and include it in our main CSS. (#…

…2462)

.stylintrc

@@ -33,7 +33,9 @@
     "expect": "always",
     "error": true
   },
-  "exclude": [],
+  "exclude": [
+    "vendor/**"
+  ],
   "extendPref": "@extends",
   "globalDupe": false,
   "groupOutputByFile": true,

layouts/css/styles.styl

@@ -19,6 +19,7 @@
 @import 'page-modules/_prev-next-navigation'
 @import 'page-modules/_release-schedule'
 @import 'page-modules/_resources'
+@import 'vendor/_prism-tomorrow'
 
 .intro
   margin-top 140px

layouts/css/vendor/_prism-tomorrow.styl

@@ -0,0 +1,99 @@
+/**
+ * prism.js tomorrow night eighties for JavaScript, CoffeeScript, CSS and HTML
+ * Based on https://github.com/chriskempson/tomorrow-theme
+ * @author Rose Pritchard
+ */
+
+code[class*='language-'],
+pre[class*='language-']
+  color #ccc
+  font-family Consolas, Monaco, 'Andale Mono', monospace
+  direction ltr
+  text-align left
+  white-space pre
+  word-spacing normal
+  word-break normal
+  line-height 1.5
+
+  -moz-tab-size 4
+  -o-tab-size 4
+  tab-size 4
+
+  -webkit-hyphens none
+  -moz-hyphens none
+  -ms-hyphens none
+  hyphens none
+
+/* Code blocks */
+pre[class*='language-']
+  padding 1em
+  margin 0.5em 0
+  overflow auto
+
+:not(pre) > code[class*='language-'],
+pre[class*='language-']
+  background #2d2d2d
+
+/* Inline code */
+:not(pre) > code[class*='language-']
+  padding 0.1em
+  border-radius 0.3em
+
+.token.comment,
+.token.block-comment,
+.token.prolog,
+.token.doctype,
+.token.cdata
+  color #999
+
+.token
+  &.punctuation
+    color #ccc
+  &.function-name
+    color #6196cc
+  &.italic
+    font-style italic
+  &.entity
+    cursor help
+  &.inserted
+    color green
+
+.token.tag,
+.token.attr-name,
+.token.namespace,
+.token.deleted
+  color #e2777a
+
+.token.boolean,
+.token.number,
+.token.function
+  color #f08d49
+
+.token.property,
+.token.class-name,
+.token.constant,
+.token.symbol
+  color #f8c555
+
+.token.selector,
+.token.important,
+.token.atrule,
+.token.keyword,
+.token.builtin
+  color #cc99cd
+
+.token.string,
+.token.char,
+.token.attr-value,
+.token.regex,
+.token.variable
+  color #7ec699
+
+.token.operator,
+.token.entity,
+.token.url
+  color #67cdcc
+
+.token.important,
+.token.bold
+  font-weight 700

layouts/partials/footer.hbs

@@ -27,7 +27,6 @@
 
 </footer>
 
-<link rel="stylesheet" href="/static/css/prism-tomorrow.css" media="all">
 <script>
   var $scrollToTop = document.getElementById('scroll-to-top');
   (window.onscroll = function() {