/* http://stackoverflow.com/questions/1150163/stretch-and-scale-a-css-image-in-the-background-with-css-only */
.mulg_tile {
    /* http://www.zenphoto.org/support/topic.php?id=1000239 */
    width: 100%;
}

td {
    height: 32px;
    width: 32px;
}

#ball {
    /* http://stackoverflow.com/questions/10487292/position-absolute-but-relative-to-parent */
    position: absolute;
    height: 32px;
    width: 32px;
    /*top: 10px;*/
    /*left: 10px;*/
}