BODY       { background-color: #000; margin: 0 }
DIV.navbottom    { position: absolute; z-index: 2; bottom: 0; left: 0; width: 100%; height: 60px }
BODY  { background-color: #000; overflow-y: hidden
 }
DIV.content            { background-image: url("images/index5_03.jpg"); height: 100%; overflow: hidden }