body{
    margin: 0;
    background:url('../images/background.jpg');
    display: block;
}
#content{
    position: relative;
    width: 960px;
    height: auto;
    left: 50%;
    margin: 10px 0px 0px -480px;
    background: #FFF;
    border: solid #qwe;
    border-radius: 3px;
    box-shadow: 0px 0px 8px #000;
}