IE8 CSS HACK 兼容集合

"\9" 例:"margin:0px auto\9;".这里的"\9"可以区别所有IE和FireFox.

"*" IE6、IE7可以识别.IE8、FireFox不能.

"_" IE6可以识别"_",IE7、IE8、FireFox不能.

<!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">
<head>
<FCK:meta http-equiv="Content-Type" content="text/html; charset=utf-8"  />
<title>区别IE6、IE7、IE8、FireFox的CSS hack</title>
<style type="text/css">
<!--
#test,#note{
    margin:0 auto;
    text-align:center;    
}
#test {
    width:200px;
    height:30px;
    border: 1px solid #000000;
    color:#fff;
    line-height:30px;
}
.color{
    background-color: #CC00FF;        /*所有浏览器都会显示为紫色*/
    background-color: #FF0000\9;    /*IE6、IE7、IE8会显示红色*/
    *background-color: #0066FF;        /*IE6、IE7会变为蓝色*/            
    _background-color: #009933;        /*IE6会变为绿色*/
}
-->
</style>
</head>
<body>
<div  class="color">测试方块</div>
<div >
<strong >IE6</strong>
<strong >IE7</strong>
<strong >IE8</strong>
<strong >FireFox</strong>
</div>
</body>
</html>