.first .banner{width:710px;height:350px;overflow:hidden}.first .tab-banner .tab{text-align:center;width:710px;position:absolute;bottom:15px}.first .tab-banner .tab ul{margin:0 auto;display:inline-block;*width:80px}.first .tab-banner .tab-t{border:2px solid #00b1ef;float:left;cursor:pointer;margin-left:5px;background-color:transparent;width:7px;height:7px;border-radius:50%}.first .tab-banner .tab-t.current{background-color:#00b1ef}