.thumbnail {
	position: relative;
	z-index: 50;		
}

.thumbnail:hover{
	background-color: transparent;
	z-index: 100;		
}

.thumbnail span{ /*CSS for enlarged image*/
	position: absolute;
	background-color: lightyellow;
	padding: 5px;
	left: -1000px;
	border: 1px dashed gray;
	visibility: hidden;
	color: #333333;
	text-decoration: none;
}

.thumbnail span img{ /*CSS for enlarged image*/
	border-width: 0;
	padding: 2px;
}

.thumbnail:hover span{ /*CSS for enlarged image on hover*/
	visibility: visible;
	bottom: 0;
	left: 60px;
}