.principal {
	font-family: Arial, Helvetica, sans-serif;
	color: #000000;
	text-decoration: none;
	font-weight: normal;
}
.rojo {
	font-family: Arial, Helvetica, sans-serif;
	color: #0000CC;
	text-decoration: none;
}
.negro {
	font-family: Arial, Helvetica, sans-serif;
	color: #000000;
	text-decoration: none;
}