.overlay{background:white;display:none;position:absolute;top:0;right:0;bottom:0;left:0;opacity:.5;width:1560px;height:1770px}
.loading-img{background:url(../gif/loading-img.gif) center center no-repeat;display:none;height:100px;padding-top:150px;margin-top:230px;margin-left:-250px}