#backDrop{background:#000;height:100%;left:0;opacity:0;position:absolute;top:0;-webkit-transition:opacity .5s ease-in-out;-moz-transition:opacity .5s ease-in-out;-o-transition:opacity .5s ease-in-out;-ms-transition:opacity .5s ease-in-out;transition:opacity .5s ease-in-out;visibility:hidden;width:100%;z-index:5999;}#backDrop.load{display:none;}#backDrop.visible{opacity:.5;visibility:visible;}.bd_visible{opacity:.5;visibility:visible;}#backDrop.hidden{opacity:0;visibility:hidden;}.bd_hidden{opacity:0;visibility:hidden;}