.scsld-view9 .left{position:absolute;display:block;width:50px;height:70px;background-image:url("sheet.png");opacity:.5;left:5px;top:50%;margin:-35px 0 0 0;cursor:pointer}.scsld-view9 .left:hover{background-position:0 -70px;opacity:1}.scsld-view9 .right{position:absolute;display:block;width:50px;height:70px;background-image:url("sheet.png");background-position:-50px -0px;opacity:.5;right:5px;top:50%;margin:-35px 0 0 0;cursor:pointer}.scsld-view9 .right:hover{background-position:-50px -70px;opacity:1}