body {background: black url(shuttle-bg.jpg) 0 0 no-repeat fixed;}
div#content {background: #468 url(shuttle-blue.jpg) 0 0 no-repeat fixed;}
div#links a {background: transparent url(shuttle-fade.jpg) 0 0 no-repeat fixed;}
div#links a:hover {background: transparent url(shuttle-wash.jpg) 0 0 no-repeat fixed;}