*{padding:0;margin:0}body{background:url(../images/bg.jpg) no-repeat center top}.content{
	width:1005px;
	padding-top:420px;
	margin-top: 0;
	margin-right: auto;
	margin-bottom: 0;
	margin-left: auto;
}.content li{float:left;display:inline;width:288px;height:117px;text-align:center;line-height:117px;margin:20px}.content li a{display:block;width:100%;height:100%;cursor:pointer;font-size:33px;font-weight:700;color:#fff;background:url(../images/01.png) no-repeat center center;text-decoration:none}.content li a:hover{background-image:url(../images/02.png)}