.OverlayContainer{
	display: block;
    position:relative;
    z-index:0;
}

.overlayTopImage{
    position:absolute;
    z-index:1;
    bottom:0;
    right:0;
	opacity:0;
}

.overlayTopImage:hover{
    position:absolute;
    z-index:1;
    bottom:0;
    right:0;
	opacity:1;
}