nav.principal nav.sub {
	position: absolute;
	left: 0;
	display: block;
	width: 100%;
	height: auto;
	overflow: hidden;
	margin: 3px 0 0 0;
	padding: 0;
	text-align: center;
	clear: both;
}
nav.principal nav.sub > menu {
	list-style: none;
	display: block;
	width: 100%;
	margin: 0 auto;
	padding: 0;
}
nav.principal nav.sub > menu > li {
	display: block;
	float: left;
	width: 19.9%;
	height: auto;
	margin: 2px 0 0 0;
	padding: 0;
	background-position: bottom center;
	text-align: center;
}
nav.principal nav.sub > menu > li > a {
	display: block;
	width: 100%;
	height: auto;
	padding: 4px 0 0 0;
	line-height: normal;
	font-size: 0.8em;
	text-decoration: none;
	text-align: center;
	cursor: pointer;
}