@charset "utf-8";
 /* CSS Document */
 .caja header { 
background-color: #CCC; 
padding: 5px; 
text-align: center; 
margin-bottom: 5px; 
} 
.caja header h1 { 
margin: 0px; 
padding: 0px; 
}
 .caja nav { 
background-color: #CCC; 
border-bottom-width: 1px; 
border-bottom-style: solid; 
border-bottom-color: #000; 
margin-bottom: 5px; 
}
.caja nav ul { 
	margin: 0px; 
	padding: 5px; 
	list-style-type: none; 
}
 .caja nav ul li { 
	display: inline; 
} 
.caja nav ul li a { 
	padding-right: 5px; 
	padding-left: 5px; 
	color: #000; background-color: #E6E6E6; 
}
 .caja article { 
	width: 60%; 
	float: left; 
	background-color: #CCCCCC; 
	height: 4em; 
	padding: 5px; 
}
.caja aside { 
	float: right; 
	width: 34%; 
	background-color: #CCC; 
	height: 4em; 
	margin-bottom: 5px; 
	padding: 5px; 
} 
.caja footer { 
	background-color: #CCC; 
	font-size: small; 
	padding: 5px; 
	clear: both; 
} 
.caja { 
	font-family: Arial, Helvetica, sans-serif; 
	font-size: small; 
}