Listing 21.8. CSS układu nr 16
#pojemnik {
    width: 80%;
    margin: 0 auto;
}
#naglowek {
    border-bottom: 2px solid black;
}
#menulewe {
    float: left;
    width: 29%;
}
#tresc {
    float: left;
    width: 54%;
    border-left: 2px solid black;
    border-right: 2px solid black;
}
#menuprawe {
    float: left;
    width: 14%;
}
#stopka {
    border-top: 2px solid black;
    clear: both;
}