html {
        height: 100%;
}
body {
        margin: 0;
        background: #eee;
        height: 100%;
}
#page_wrapper {
        position: relative;
        width: 1200px;
        height: 100%;
        margin: 0 auto;
}
#sub_wrapper {
        position: absolute;
}
address {
        margin-bottom: 16px;
}
#site_info {
        margin-top: 16px;
}