.thumbnail{
position: relative;
z-index: 10;
}

.thumbnail:hover {
background-color: transparent;
z-index: 50;
}


.thumbnail span{ /*CSS for enlarged image*/
position: absolute;
background-color: lightyellow;
padding: 5px;
left: -100px;
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 on hover*/
visibility: visible;
}

      
        
#dl    {position:absolute; left:-1230px; top:-0800px; z-index: -5;}
#ga    {position:absolute; left:-0650px; top:-2600px; z-index: -5;}
#mc    {position:absolute; left:-0500px; top:-2400px; z-index: -5;}
#pt    {position:absolute; left:-3200px; top:-1200px; z-index: -5;}
#sh    {position:absolute; left:-1800px; top:-1400px; z-index: -5;}
#wc    {position:absolute; left:-0900px; top:-1400px; z-index: -5;}
#wy    {position:absolute; left:-3300px; top:-0500px; z-index: -5;}