html 		{margin: 0; padding: 0; overflow:scroll; height:100%; width:100%;}

body 		{margin:0;padding:0;font-size:11px;font-weight:normal;font-family:Arial,sans-serif;text-align: center;background:#000 url(../mainart/roidham_enter_side.jpg) center center;height:100%; width:100%;}

.roidham    {display:block;height:800px;width:100%;}