html code highlight in css code example

Example 1: change highlight color html

::-moz-selection { /* Code for Firefox */
  color: red;
  background: yellow;
}

::selection {
  color: red;
  background: yellow;
}

Example 2: highlight.js

<link rel="stylesheet"
      href="//cdn.jsdelivr.net/gh/highlightjs/[email protected]/build/styles/default.min.css">
<script src="//cdn.jsdelivr.net/gh/highlightjs/[email protected]/build/highlight.min.js"></script>