html, body {margin:0; padding:0; width:100%; height:100%; overflow:hidden; text-align:left;}

#container {
position:absolute; 
z-index:1; 
width:100%; 
height:100%;

}

#scroller {
position: absolute;
width: 721px;
height: 544px;
top: 20%;
left: 40%;
margin-top: -75px;
margin-left: -100px;
z-index:2;
}