talk is cheap, show you the code :
<!DOCTYPE html>
<html>
<head>
<title>html5响应式九宫格</title>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<meta name="viewport" content="width=device-width,height=device-height,inital-scale=1.0,maximum-scale=1.0,user-scalable=no;" />
<meta name="apple-mobile-web-app-capable" content="yes" />
<meta name="apple-mobile-web-app-status-bar-style" content="black" />
<meta name="format-detection" content="telephone=no" />
<meta charset="utf-8" />
<style type="text/css">
html, body { color:#222; font-family:Microsoft YaHei, Helvitica, Verdana, Tohoma, Arial, san-serif; margin:0; padding: 0; text-decoration: none; }
img { border:0; }
ul { list-style: none outside none; margin:0; padding: 0; }
body {
background-color:#eee;
}
body .mainmenu:after { clear: both; content: " "; display: block; }
body .mainmenu li{
float:left;
margin-left: 2.5%;
margin-top: 2.5%;
30%;
border-radius:3px;
overflow:hidden;
}
body .mainmenu li a{ display:block; color:#FFF; text-align:center }
body .mainmenu li a b{
display:block; height:80px;
}
body .mainmenu li a img{
margin: 15px auto 15px;
50px;
height: 50px;
}
body .mainmenu li a span{ display:block; height:30px; line-height:30px;background-color:#FFF; color: #999; font-size:14px; }
body .mainmenu li:nth-child(8n+1) {background-color:#36A1DB}
body .mainmenu li:nth-child(8n+2) {background-color:#678ce1}
body .mainmenu li:nth-child(8n+3) {background-color:#8c67df}
body .mainmenu li:nth-child(8n+4) {background-color:#84d018}
body .mainmenu li:nth-child(8n+5) {background-color:#14c760}
body .mainmenu li:nth-child(8n+6) {background-color:#f3b613}
body .mainmenu li:nth-child(8n+7) {background-color:#ff8a4a}
body .mainmenu li:nth-child(8n+8) {background-color:#fc5366}
</style>
</head>
<body>
<ul class="mainmenu">
<li><a href="/" ><b><img src="images/tb01.png" /></b><span>关于我们</span></a></li>
<li><a href="/" ><b><img src="images/tb02.png" /></b><span>新闻中心</span></a></li>
<li><a href="/" ><b><img src="images/tb03.png" /></b><span>产品展示</span></a></li>
<li><a href="/" ><b><img src="images/tb04.png" /></b><span>成功案例</span></a></li>
<li><a href="/" ><b><img src="images/tb05.png" /></b><span>下载中心</span></a></li>
<li><a href="/" ><b><img src="images/tb06.png" /></b><span>团队介绍</span></a></li>
<li><a href="/" ><b><img src="images/tb06.png" /></b><span>人才招聘</span></a></li>
<li><a href="/" ><b><img src="images/tb07.png" /></b><span>联系我们</span></a></li>
<li><a href="/" ><b><img src="images/tb08.png" /></b><span>在线留言</span></a></li>
</ul>
</body>
</html>
