body, html, body { margin-top: 0; margin-left: 0; margin-bottom: 0; margin-right: 0; background-color:#898989; }
#div_background    { width:768px; position:absolute; top:0%; left:50%; margin-left:-384px; z-index:0; }
#div_global        { width:768px; position:absolute; top:0%; left:50%; margin-left:-384px; z-index:1; }