.gallerycontainer{
	position: absolute;
	left: 317px;
	top: 28px;
	width: 579px;
/*Add a height attribute and set to largest image's height to prevent overlaying*/
}

.thumbnail img{
border: 1px solid white;
margin: 0 5px 5px 0;
}

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

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

.thumbnail span{ /*CSS for enlarged image*/
position: absolute;
background-color: lightyellow;
padding: 5px;
left: 0000px;
border: 1px solid black;
visibility: hidden;
color: black;
text-decoration: none;
}

.thumbnail span img{ /*CSS for enlarged image*/
border-width: 0;
padding: 2px;
border: 1px solid black;
}

.thumbnail:hover span{ /*CSS for enlarged image*/
visibility: visible;
top: 250px;
left: 0px; /*position where enlarged image should offset horizontally */
z-index: 50;
border: 1px solid white;
}