/* CSS Document */.gallerycontainer{position: relative;/*Add a height attribute and set to largest image's height to prevent overlaying*/}.thumbnail img{border: 1px solid white;margin: 0 5px 5px 0;}.thumbnail:hover{background-color: transparent;}.thumbnail:hover img{border: 1px solid blue;}.thumbnail span{ /*CSS for enlarged image*/position: absolute;background-color: lightyellow;padding: 5px;left: -1000px;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*/visibility: visible;top: 0;left: 230px; /*position where enlarged image should offset horizontally */z-index: 50;}