/* CSS Document */
html, body{
height:100%;
}

body{
margin:0;
padding:0;
text-align:center;
min-height:600px;
background:#000000;
}

#container{
position: relative;
margin: 0 auto;
text-align: left;
width:900px;
height:100%;
}

#content{
position:absolute;
width:900px;
height:600px;
top:50%;
margin-top:-300px;
background:#000000;
}