*{margin:0;padding:0;list-style:none;}
.box{margin:50px;border:1px solid #ddd;width:300px;}
.box .hd{font-size:0;}
.box .hd span{display: inline-block;;width:100px;font-size:14px;text-align:center;line-height:40px;background:#eee;}
.box .hd span.active{background:#ddd;}
.box  ul li{height:200px;text-align:center;line-height:200px;display:none;}
.box  ul li.active{display:block;}