.thumbnail {
	position: relative;
	z-index: 0;
}
.thumbnail:hover {
	background-color: transparent;
	z-index: 50;
}

.thumbnail span {
	position: absolute;
	background-color: white;
	padding: 5px;
	left: -1000px;
	border: 1px dotted gray;
	visibility: hidden;
	color: black;
	text-decoration: none;
}

.thumbnail span img{
	border-width: 0;
	padding: 2px;
}

.thumbnail:hover span {
	visibility: visible;
	top: 0px;
	left: 40px;
    position:absolute;
}