Version 0.1. Very rough. Content incomplete. No styling yet.

.gitignore

@@ -1,5 +1,4 @@
 .idea/*
-dist/*
 .tmp/
 tmp/*
 node_modules/*

app/index.pug

@@ -2,10 +2,10 @@ doctype html
 html(lang="en")
   head
     title QMK Cheatsheet
-    script(src='/bower/prism/prism.js')
-    script(src='/bower/prism/components/prism-c.js')
-    link(rel='stylesheet', href='/styles/vendor.css')
-    link(rel='stylesheet', href='/styles/app.css')
+    script(src='bower/prism/prism.js')
+    script(src='bower/prism/components/prism-c.js')
+    link(rel='stylesheet', href='styles/vendor.css')
+    link(rel='stylesheet', href='styles/app.css')
 
   body
     h1 QMK Cheatsheet

dist/bower/prism/components/prism-c.js

@@ -0,0 +1,33 @@
+Prism.languages.c = Prism.languages.extend('clike', {
+	'keyword': /\b(asm|typeof|inline|auto|break|case|char|const|continue|default|do|double|else|enum|extern|float|for|goto|if|int|long|register|return|short|signed|sizeof|static|struct|switch|typedef|union|unsigned|void|volatile|while)\b/,
+	'operator': /\-[>-]?|\+\+?|!=?|<<?=?|>>?=?|==?|&&?|\|?\||[~^%?*\/]/,
+	'number': /\b-?(?:0x[\da-f]+|\d*\.?\d+(?:e[+-]?\d+)?)[ful]*\b/i
+});
+
+Prism.languages.insertBefore('c', 'string', {
+	'macro': {
+		// allow for multiline macro definitions
+		// spaces after the # character compile fine with gcc
+		pattern: /(^\s*)#\s*[a-z]+([^\r\n\\]|\\.|\\(?:\r\n?|\n))*/im,
+		lookbehind: true,
+		alias: 'property',
+		inside: {
+			// highlight the path of the include statement as a string
+			'string': {
+				pattern: /(#\s*include\s*)(<.+?>|("|')(\\?.)+?\3)/,
+				lookbehind: true
+			},
+			// highlight macro directives as keywords
+			'directive': {
+				pattern: /(#\s*)\b(define|elif|else|endif|error|ifdef|ifndef|if|import|include|line|pragma|undef|using)\b/,
+				lookbehind: true,
+				alias: 'keyword'
+			}
+		}
+	},
+	// highlight predefined macros as constants
+	'constant': /\b(__FILE__|__LINE__|__DATE__|__TIME__|__TIMESTAMP__|__func__|EOF|NULL|stdin|stdout|stderr)\b/
+});
+
+delete Prism.languages.c['class-name'];
+delete Prism.languages.c['boolean'];