.thumbnail span{ /*CSS for enlarged image*/
position: absolute;
background-color: lightyellow;
padding: 5px;
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*/
display:block;
width:450px;
visibility: visible;
top: -200px;
left: 60px; /*position where enlarged image should offset horizontally */
}

.thumbnail:hover span{ /*CSS for enlarged image on hover*/
	visibility: visible;
}

.col4:hover span{left: -400px;}
.col5:hover span{left: -400px;}
.col6:hover span{left: -400px;}

.orow2:hover span{top: -340px;}
.orow3:hover span{top: -480px;}
.orow4:hover span{top: -620px;}

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

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