<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" lang="en">
<head>
<title>ID Rule Example</title>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1" />
<style type="text/css">
#SecondParagraph {background-color: green;}
</style>
</head>
<body>
<p>This is the first paragraph.</p>
<p id="SecondParagraph">This is the second paragraph.</p>
<p>This is the third paragraph.</p>
</body>
</html>