#nho{
    height: 1%;
    background-color: transparent;
    overflow-y: hidden;
}
#nh{
    width: 98%;
    height: 4%;
    margin-left: auto;
    margin-right: auto;
    background-color: #EEE8AA;
    border-radius: 10px 10px 0px 0px;
}
#nb{
    width: 98%;
    height: 90%;
    margin-left: auto;
    margin-right: auto;
    background-color: ivory;
}
#nf{
    width: 98%;
    height: 4%;
    margin-left: auto;
    margin-right: auto;
    background-color: #EEE8AA;
    border-radius: 0px 0px 10px 10px;
}