#principal h2{
	font-size: 36px;
	border-bottom:#ccc 2px solid;
	margin-bottom: 10px;
}
#principal h3{
	font-size: 18px;
	color:#990000;
	margin:20px 0 10px 0;
}
#principal div.ondeestudar{
	overflow:hidden;
	margin-bottom: 40px;
	height:1%;
}
#principal div.ondeestudar img{
	float:left;
	margin-right: 10px;
}
#principal div.ondeestudar a{
	color:#990000;
	text-decoration:none;
	font-weight:bold;
}
#principal div.ondeestudar a:hover{
	color:#FF0000;
	text-decoration:underline;
}
hr{
	height: 2px;
	width:auto;
	color:#ccc;
	background-color:#CCC;
}