<html>
<head>
<style>
a[target=_blank]
{
background-color:yellow;
}
</style>
</head>
<body>
<p>The link with target="_blank" gets a yellow background:</p>
<a href="/">ziqiangxuetang.com</a>
<a href="http://www.disney.com" target="_blank">disney.com</a>
<a href="http://www.wikipedia.org" target="_top">wikipedia.org</a>
<p><b>Note:</b> For [<i>attribute</i>] to work in IE8 and earlier, a DOCTYPE must be declared.</p>
</body>
</html>