.thumbnail{
position: relative;
z-index: 0;
}

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

.thumbnail span{ /*CSS for enlarged image*/
position: absolute;
background-color: #303030;
padding: 5px;
left: -2000px;
border: 3px solid lightyellow;
visibility: hidden;
color: F3D656;
size: 10 px;
text-decoration: none;
text-transform: uppercase;
text-align: center;
}

.thumbnail span img{ /*CSS for enlarged image*/
border-width: 0;
padding: 5px;
height: ;

}

.thumbnail:hover span{ /*CSS for enlarged image on hover*/
position: absolute;
visibility: visible;
top:25px;
left: -270px; /*position where enlarged image should offset horizontally */



}