.gallerycontainer{
position: relative;
height: 265px;
/*Add a height attribute and set to largest image's height to prevent overlaying*/
}

.thumbnail img{
border: 1px solid orange;
margin: 0 5px 5px 0;
}

.thumbnail:hover{
background-color: transparent;
}

.thumbnail:hover img{
border: 1px solid green;
}

.thumbnail span{ /*CSS for enlarged image*/
position: absolute;
background-color: white;
padding: 5px;
left: -1000px;
visibility: hidden;
color: black;
width: 355;
text-decoration: none;
}

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

.thumbnail:hover span{ /*CSS for enlarged image*/
visibility: visible;
top: 48;
left: 220; /*position where enlarged image should offset horizontally */
z-index: 50;
}


.gallerycontainerright{
position: relative;
height: 265px;
/*Add a height attribute and set to largest image's height to prevent overlaying*/
}

.thumbnailr img{
border: 1px solid orange;
margin: 0 5px 5px 0;
}

.thumbnailr:hover{
background-color: transparent;
}

.thumbnailr:hover img{
border: 1px solid green;
}

.thumbnailr span{ /*CSS for enlarged image*/
position: absolute;
background-color: white;
padding: 5px;
right: -10px;
visibility: hidden;
color: black;
width: 355;
text-decoration: none;
}

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

.thumbnailr:hover span{ /*CSS for enlarged image*/
visibility: visible;
top: 48;
right: 220; /*position where enlarged image should offset horizontally */
z-index: 50;
}