#dialogBody #size {
    clear: both;
    text-align: center;
    margin-top: 8px;
    width: 800px;
}

#size {
    width: 500px;
    height: 40px;
    margin-top: 10px;
    text-align: center;
}

#size input {
    width: 60px;
    height: 16px;
}

#size span {
    margin-right: 40px;
}