.caseplay{width:89%;margin:0 auto;}
.scrollbox{background:#FFF;overflow:hidden;width:89%;height:600px;margin:0 10px;display:inline;float:left;}
.scrollbox img{border:3px solid #F2F2F2;width: 100%;}
.leftDir{float:left;cursor:pointer;margin-top: 200px;}
.rightDir{float:left;cursor:pointer;margin-top: 200px;}