html {
    display:table;
    table-layout:fixed;
    width:100%;
    height:100%
}

body
{
    display:table-cell;
    vertical-align: middle;
    text-align:center;
    width:100%;height:100%;
    background-color: #000000;
    background-image: url(Images/Sbg.png);
    margin: 0;
}

div#content {
    margin:auto;
}
 
div#footer {
    position: absolute;
    bottom: 0;
    left: 0;
    clear: both;
    width: 100%;
    text-align: right;
}