效果图:

/* 放在后台Code injection中Site Header部分中代码 */ 
<link href="//cdn.bootcss.com/highlight.js/9.15.8/styles/monokai-sublime.min.css" rel="stylesheet">  

 /* 放在后台Code injection中Site Footer部分中代码 */ 
<script src="//cdn.bootcss.com/highlight.js/9.15.8/highlight.min.js"></script>  
<script >hljs.initHighlightingOnLoad();</script>

懂得,原来世界如此简单!