BODY {
    background-color: black;
    font-style: italic;
    font-size: medium
}


BODY.inv {
    background: url(img/fundo.gif);
    font-style: italic;
    font-size: medium
}


DIV.inv {
    border: groove .2em yellow;
    background-color: black;
    padding: 3% 2% 3% 2%;
    margin: 2% 2% 4% 2%
}


DIV.margin {
    border: groove .2em yellow;
    background: url(img/fundo.gif);
    padding: 3% 2% 3% 2%;
    margin: 2% 2% 4% 2%
}