body {
        margin:0;
        padding:0;
        font: 11px/1.5 Verdana, Arial, Helvetica, sans-serif;
        background:#fff;
        color:#000;
        text-align:center;
        }
#tudo {
        width:780px;
        text-align:left;
        }
#rodape {
        clear:both;
        text-align:center;
        }

#principal {
        float:right;
        width:620px;
        text-align:justify;
        }
#menu {
        width:150px;
        float:left;
        }