<style>
/* CSS Simple Pre Code */
pre{background:#fff;white-space:pre;word-wrap:break-word;overflow:auto}
pre.code{margin:20px 25px;border:1px solid #d9d9d9;border-radius:2px;position:relative;box-shadow:0 1px 1px rgba(0,0,0,.08)}
pre.code label{font-family:sans-serif;font-weight:normal;font-size:13px;color:#444;position:absolute;left:1px;top:16px;text-align:center;width:60px;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;pointer-events:none}
pre.code code{font-family:"Inconsolata","Monaco","Consolas","Andale Mono","Bitstream Vera Sans Mono","Courier New",Courier,monospace;display:block;margin:0 0 0 60px;padding:15px 16px 14px;border-left:1px solid #d9d9d9;overflow-x:auto;font-size:13px;line-height:19px;color:#444}
pre::after{content:"double click to selection";padding:0;width:auto;height:auto;position:absolute;right:18px;top:14px;font-size:12px;color:#aaa;line-height:20px;overflow:hidden;-webkit-backface-visibility:hidden;transition:all 0.3s ease}
pre:hover::after{opacity:0;visibility:visible}
pre.code-css code{color:#0288d1}
pre.code-html code{color:#558b2f}
pre.code-javascript code{color:#f57c00}
pre.code-jquery code{color:#78909c}
</style>
<pre>
Khung chứa code 413
</pre>