在线运行代码 - 菜鸟教程

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8"> 
<title>菜鸟教程(cainiaoplay.com)</title>
<style>div>p
{
	background-color:yellow;
}
</style>
</head>

<body>
<h1>Welcome to My Homepage</h1>
<div>
<h2>My name is Donald</h2>
<p>I live in Duckburg.</p>
</div>

<div>
<span><p>I will not be styled.</p></span>
</div>

<p>My best friend is Mickey.</p>
</body>
</html>

源代码

动行结果