#containerWrapper {
    margin-left: auto;
    margin-right: auto;
    width: 1200px;
    background-image: url(images/container_shadows.png);
    background-repeat: repeat-y;
    background-position: center top;
}

#container {
    margin-left: auto;
    margin-right: auto;
    width: 1170px;
    background-color: #ffffff;
}