#menub {
    text-decoration: underline;
}

#ch {
    margin-top: 10px;
}

#pr {
    font-size: 17px;
    text-align: center;
}

#r {
    text-align: center;
}

#pi {
    width: 507px;
    height: 200px;

}

#tmenu {
    background-color: lightgray;
    padding: 25px;
    margin-top: 25px;
}