#outer{
height:100%;
width:100%;
display:table;
vertical-align:middle;
}
#container {
text-align: center;
position:relative;
vertical-align:middle;
display:table-cell;
height: 468px;
} 
#inner {
width: 552px;
height: 468px;
text-align: center;
margin-left:auto;
margin-right:auto;
border:1px solid #000;
}