body {
    color: #7A7A7A;
    font: 13px 'PT Sans',Arial,Helvetica,sans-serif;
}

#center_part {
    background-color: #FFFFFF;
    height: 200px;
    left: 50%;
    margin-left: -135px;
    margin-top: -100px;
    position: absolute;
    top: 50%;
    width: 520px;
}

#center_widget {
    bottom: 10px;
    position: absolute;
    width: 270px;
}