html, body {height:100%;} 
body{
	margin:0; 
	padding:0;
	background:#ddd;
	color:#666;
	font:75%/1.4 Verdana, Arial, Helvetica, sans-serif;
	text-align:center;
}
#tudo{ 
	width:760px;
	position:relative;  /*Contexto de posicionamento */
	background:#fff url(bg-auxiliar.gif) repeat-y right;
	margin:0 auto;
	text-align:left;
	min-height:100%;
	background-image: url(../img/fundo.png);

}
#menu{
	padding-bottom:10px;

}
* html #tudo {height: 100%;}

#conteudo{
	padding-bottom:100px;
}

#topo{
	height:165px;
	background-image: url(../img/banner.gif);
	text-align:center;
	padding-top:1px;
	text-align:center;
}
#principal{
	width:720px;
	padding-left:20px;
	float:left;
	padding-top:10px;
	text-align:justify;
}
.clear {clear:both;}
#rodape{
	background-image: url(../img/rodape.gif);
	width:760px;
	height:80px;
	position: absolute;
	bottom: 0; 
	text-align:center;
}