<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>后代选择器</title>
<style type="text/css">
body{font-family:"微软雅黑";}
h3{color:black}
ul li{color:green;font-size:20px;}
ol li{color:blue;font-size:20px;}
</style>
</head>
<body>
<h3>图书排行榜</h3>
<ul>
<li>三体</li>
<li>盗墓笔记</li>
<li>三生三世十里桃花</li>
</ul>
<h3>游戏排行榜</h3>
<ol>
<li>英雄联盟</li>
<li>DOTA</li>
<li>魔兽世界</li>
</ol>
</body>
</html>