.slider{display:none}/*用于获取更加体验*/
.focus{text-align:center;}
.focus span{width:10px;height:10px;margin-right:10px;border-radius:50%;font-size:0;background:none; display:inline-block; border:solid 1px #fff;}
.focus span.current{/*background:#A9C703;*/background:#a0a0a0;}