.fondoazul{
	margin-left:10.0em;
	margin-right:10.0em;
	background-color:navy;
	color:white;
	font-family:Verdana;
}
.fondonegro{
	margin-left:10.0em;
	margin-right:10.0em;
	background-color:black;
	color:white;
	font-family:Verdana;
}
.fondo{
	margin-left:10.0em;
	margin-right:10.0em;
	font-family:Verdana;
}