body{margin:0}.box{height:100%}.box,.wrapper{width:100%;position:absolute;overflow:hidden}.wrapper{top:150px}.wrapper .content{width:100%}.wrapper .content li{background-color:#fff;width:100%;height:66px;text-align:center;line-height:66px;border-bottom:1px solid #f0f0f0}.newxin{width:100%;height:50px;text-align:center;line-height:50px;background:red}