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

.spiderpic:hover{
background-color: transparent;
z-index: 9;
}

.spiderpic span{ /*CSS for enlarged image*/
position: absolute;

padding: 0px;
left: -400px;
border: 0px solid black;
visibility: hidden;
color: black;
text-decoration: none;
}

.spiderpic span img{ /*CSS for enlarged image*/
border-width: 0;
padding: 2px;
}

.spiderpic:hover span{ /*CSS for enlarged image on hover*/
visibility: visible;
top: 0;
right: -1000px; /*position where enlarged image should offset horizontally */

}