.rollBox {width:1200px;overflow:hidden;margin:0 auto;height:400px;padding-top:10px;position:relative;}
.rollBox .LeftBotton {height:38px;width:23px;background:url(xbt.png) no-repeat 0px 0;overflow:hidden;float:left;display:inline;left:0px;top:175px;cursor:pointer;position:absolute;}
.rollBox .RightBotton {height:38px;width:23px;background:url(xbt.png) no-repeat -23px 0;overflow:hidden;float:left;display:inline;right:0px;top:175px;cursor:pointer;position:absolute;}
.rollBox .Cont {width:1200px;overflow:hidden;float:left;padding-top:5px;}
.rollBox .ScrCont {width:10000000px;}
.rollBox .Cont .pic {width:1200px;float:left;/* text-align:center; */}

.rollBox #List1,.rollBox #List2 {float:left;}