body
{
    margin-top: 15px;
    font-family: verdana, Arial, Sans-Serif;
    background-color: Black;
}

#container
{
    width: 721px;
    margin-left: auto;
    margin-right: auto;
    height: 100%;
    background-image: url(http://www.greenhill.org/athletics/img/tennis%20center/TCbackground.gif);
    background-position: left top;
    background-repeat: repeat-y;
}