.thumbnail{
	position: relative;
	z-index: 0;
}

.thumbnail:hover{
	background-color: transparent;
	z-index: 50;
}

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

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

.thumbnail:hover span{ /*CSS for enlarged image on hover*/
	visibility: visible;
	top: 20px;
	left: 30px; /*position where enlarged image should offset horizontally */
	-moz-box-shadow: 8px 8px 20px #444;
	-webkit-box-shadow: 8px 8px 20px #444;
	box-shadow: 8px 8px 20px #444;
}