/*banner样式*/ .banner{width:100%;position:relative; } .banner_list{width:100%;} .banner_list ul li{float:left;} .banner .num { overflow:hidden; height: 25px; position:absolute; left:45%; bottom:8px; zoom:1;z-index:3; text-align:center; width:200px;} .banner .num li { width: 25px; height: 25px; line-height: 25px; text-align: center; font-weight: 400; font-family: "微软雅黑", Arial; color: #FFFFFF; background: #444444; margin-right: 10px; border-radius:50%; cursor:pointer; float: left;} .banner .num li.on { background: #FF7700; } /*当前项*/ #nybanner{width:100%;height:400px;position:relative;} #nybanner .imglis{width:100%;height:400px;position:absolute;top:0px;left:0px;} ul,li{margin:0; padding:0; list-style:none;}