aula {
	font-family: verdana;
	color: #FFFFFF;
	background-color: #FF0000;
}
.roja {
	font-family: verdana;
	font-weight: bold;
	color: #FFFFFF;
	background-color: #FF0000;
}
.naranja {
	font-family: verdana;
	font-weight: bolder;
	background-color: #FFCC00;
}