body {background-color: #334455;}

#bg {
background-color:#C0C0C0 ;
}

#nulllink{
text-decoration: none;
color:  				 white;
background: #COCOCO;
}

.thumbnail{
z-index: 0;
}

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

.thumbnail span{ /*CSS for enlarged image*/
position: absolute;
background-color: white;
padding: 2px;
left: -1000px;
border: 1px black;
visibility: hidden;
color: white;
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;
position: fixed;
top: 0px;
left: 10px;
}