<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>内联块状元素</title>
<style type="text/css">
div,p,h1,form,ul,li{background:pink;}
</style>
</head>
<body>
<div>div1</div>
<div>div2</div>
<p>段落1段落1段落1段落1段落1</p>
<h1>你好</h1>
<form method="get" action="name.php">
<p>姓名：<input type="text" name="you name" placeholder="请输入姓名"></p>
<input type="submit" name="submit">
</form>
<ul>
<li>123</li>
<li>li</li>
</ul>
<ol>
<li>sdfak</li>
<li>sldkfjl</li>
</ol>
</body>
</html>div,p,h1,form,ul,li{background:pink;}这里缺了ol，加上就可以了
呵呵呵呵