.mosaic-block {
    position:relative;
    overflow:hidden;
    /* background:#111 url(../images/mosaic_progress.gif) no-repeat center center; */
}

.mosaic-backdrop {
    display:none;
    position:absolute;
    top:0;
    height:100%;
    width:100%;
    background:#111;
}

.mosaic-overlay {
    display:none;
    z-index:5;
    position:absolute;
    width:100%;
    height:100%;
}

.mosaic-overlay .desc {
	position:absolute;
	bottom:50%;
	left:0;
	right:0;
	color:#fff;
	text-align:center;
	font-size:24px;
}

.fade .mosaic-overlay {
    opacity:0;
    -ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=00)";
    filter:alpha(opacity=00);
    background:url(../images/mosaic_mask.png);
}