.gallerycontainer{
	position: relative;
/*Add a height attribute and set to largest image's height to prevent overlaying*/
}

.thumbnail img{
	border: 1px solid white;
	margin-top: 0;
	margin-right: 5px;
	margin-bottom: 5px;
	margin-left: 0;
}

.thumbnail:hover{
background-color: transparent;
}

.thumbnail:hover img{
border: 1px solid blue;
}

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

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

.thumbnail:hover span{ /*CSS for enlarged image*/
	visibility: visible;
	top: -50px;
	left: 450px; /*position where enlarged image should offset horizontally */
	z-index: 150;
	position: absolute;
}