.imgholder{float:left;-webkit-transition-duration:.5s;transition-duration:.5s}.imgholder:hover{-webkit-transform:scale(1.1);transform:scale(1.1)}.imgholder .mask{width:280px;background-color:#000;position:absolute;margin:10px;height:160px;opacity:.4;cursor:pointer;-webkit-transition-duration:.6s;transition-duration:.6s}#img-2:hover .mask{height:0;margin-top:90px}#img-4:hover .mask{margin-left:150px;margin-top:90px;height:0;width:0}#img-6:hover .mask{margin-left:150px;margin-top:90px;height:0;width:0;-webkit-transform:rotateZ(750deg);transform:rotateZ(750deg)}