.titulo {
	font-family: "Trebuchet MS", Arial, Helvetica, sans-serif;
	font-size: 17px;
	font-style: normal;
	font-weight: bold; 
	text-align: center;
}

.subtitulo {
	font-family: "Trebuchet MS", Arial, Helvetica, sans-serif;
	font-size: 14px;
	font-style: normal;
	font-weight: bold;
	text-align: center;
	color: #666;
}

.grafico {
	width: 640px; 
	height: 370px; 
	margin: 0 auto;
}