.cover_thumbnail{
	position: relative;
	z-index: 0;
}

.cover_thumbnail:hover{
	background-color: transparent;
	z-index: 50;
}

.cover_thumbnail span{ /*CSS for enlarged image*/
	position: absolute;
	background-color: #CAE6FB;
	padding: 10px;
	left: -1000px;
	border: 1px dashed gray;
	visibility: hidden;
	color: black;
	font-family: Arial, Helvetica, sans-serif;
	font-size: 12px;
	text-decoration: none;
}

.cover_thumbnail span img{ /*CSS for enlarged image*/
	border-width: 0;
	padding: 2px;
}

.cover_thumbnail:hover span{ /*CSS for enlarged image on hover*/
	visibility: visible;
	top: auto;
	left: 60px; /*position where enlarged image should offset horizontally */
}