html, body {
height:100%;
margin:0;
background-color:#000000;
font-family:Arial, Helvetica, sans-serif;
font-size:11px;
}
body {
position:relative;
min-width:980px;
min-height:700px;
}
#cont {
position:absolute;
width:980px;
height:700px;
top:50%;
left:50%;
margin-top:-350px;
margin-left:-490px;
}