<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>田字格布局</title>
<style>
*{
margin:0;
padding:0;
}
ul{
margin:0 auto;
border:1px solid red;
width:1000px;
padding-left:10px;
}
li{
list-style:none;
height:500px;
float:left;
width:490px;
margin-left:-10px;
border:10px solid red;
text-align: center;
line-height: 500px;
font-size: 50px;
}
</style>
</head>
<body>
<ul>
<li>爱</li>
<li>我</li>
<li>中</li>
<li>华</li>
</ul>
</body>
</html>
原文：http://www.cnblogs.com/shuaihan/p/7368431.html