.Scroll,.Scroll_scroller{position:relative}.Scroll.scrollable:not(.smooth),.Scroll.smooth{height:100%;left:0;position:absolute;top:0;width:100%}.Scroll.scrollable:not(.smooth){overflow:auto}
.Thumbnail{display:block;position:relative}.Thumbnail .ImageContainer{position:relative;z-index:1}.Thumbnail .VideoContainer{height:100%;left:0;opacity:0;position:absolute;top:0;visibility:hidden;width:100%;z-index:2}