标签：style ar color sp div bs ad html as
<!DOCTYPE HTML>
<html>
<html>
<head>
<style type="text/css">
#redP p { /* 权值 = 100+1=101 */
color:#F00; /* 红色 */ }
#redP .red em { /* 权值 = 100+10+1=111 */
color:#00F; /* 蓝色 */ }
#redP p span em { /* 权值 = 100+1+1+1=103 */
color:#FF0;/*黄色*/ }
</style>
</head>
<body>
<div id="redP">
<p class="red">red<span><em>em red</em></span> </p>
<p>red</p>
</div>
</body>
</html>
标签：style ar color sp div bs ad html as
原文地址：http://www.cnblogs.com/xanthechum/p/4169928.html
