.gallerycontainer{
position: relative;
}
.thumbnail img{
border: 1px solid white;
margin: 0 5px 5px 0;
}
.thumbnail:hover{
background-color: transparent;
}
.thumbnail:hover img{
border: 1px solid blue;
}
.thumbnail span{ /*CSS for enlarged image*/
position: absolute;
background-color: lightyellow;
padding-top: 500;
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: 0px;
}
.thumbnail:hover span{ /*CSS for enlarged image*/
visibility: visible;
top: 50px;
left: 270px; /*position where enlarged image should offset horizontally */
z-index: 50;
}