版权声明：本文为博主原创文章，未经博主允许不得转载。 https://blog.csdn.net/u014338577/article/details/79901198
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>HTML九宫格布局</title>
<meta http-equiv="X-UA-Compatible" content="IE=edge">
</head>
<body>
<html>
<head>
<style type="text/css">
/** 重置浏览器默认标签样式 */
body,
ul,
li {
margin: 0;
padding: 0;
}
.xttblog {
width: 930px;
height: 120px;
margin-top: 50px;
margin-left: auto;
margin-right: auto;
}
.box {
margin-left: 5px;
margin-top: 5px;
list-style-type: none;
}
.box li {
float: left;
line-height: 230px;
}
.box li{
display: block;
border: 5px solid #ccc;
width: 300px;
height: 250px;
text-align: center;
margin-left: -5px;
margin-top: -5px;
position: relative;
z-index: 1;
}
.box li:hover {
border-color: #f00;
z-index: 2;
}
</style>
</head>
<body>
<div class="xttblog">
<ul class="box">
<li>
<img src="tb.jpg" />
</li>
<li>
<img src="tb.jpg" />
</li>
<li>
<img src="tb.jpg" />
</li>
<li>
<img src="tb.jpg" />
</li>
<li>
<img src="tb.jpg" />
</li>
<li>
<img src="tb.jpg" />
</li>
<li>
<img src="tb.jpg" />
</li>
<li>
<img src="tb.jpg" />
</li>
<li>
<img src="tb.jpg" />
</li>
</ul>
</div>
</body>
</html>