<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
 <head>
  <title>::before pseudo-element</title>
  <style type="text/css">p::before { background-color : lime ; content : "GENERATED CONTENT "}
</style>
  <link rel="first" href="css3-modsel-1.xml" title="Groups of selectors"/>
  <link rel="prev" href="css3-modsel-40.xml" title="::selection pseudo-element"/>
  <link rel="next" href="css3-modsel-42.xml" title="::after pseudo-element"/>
  <link rel="last" href="css3-modsel-143.xml" title="NEGATED Substring matching attribute selector on middle without declared namespace"/>
  <link rel="up" href="./index.html"/>
  <link rel="top" href="../../../index.html"/>
 </head>
 <body xmlns:a="http://www.example.org/a" xmlns:b="http://www.example.org/b" xmlns:html="http://www.w3.org/1999/xhtml">
<p>You should see before this paragraph the words GENERATED CONTENT over green background</p>
</body>
</html>