<style type="text/css">

.gallerycontainer{
position: fixed;
}

.thumbnail img{
border: 1px solid black;
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;
height: 300px;
width: 250px;
background-color: white;
padding: 5px;
left: -1000px;
border: 0px 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: 50px; /*position where enlarged image should offset horizontally */
z-index: 50;

}

</style>
