article, aside, figure, figcaption, footer, header, hgroup, nav, section{
	     display: block;
}
body {
	width: 1600px;
	margin: 0 auto 0 auto;
	font-size: 18px;
}
header {
	width: 1600px;
	height: 180px;
	background-color: #ffffff;
	padding: 0px;
	margin: 0px; 
}
nav {
	width: 1600px;
	height: 50px;
	background-color: #ffffff;
	padding: 5px;
	margin: 0px 0px 0 0px;
	font-family: arial;


	
}
article {
	width: 480px;
	height: 650px;
	float: left;
	background-color: #ffffff;
	padding-left: 10px;	
	margin: 25px 30px 0px 10px;
	line-height: 30px;   /*interlinea*/
	font-family: arial;
	font-size:15px;
	overflow-x:hidden;   
	border:3px solid #0b087b; border-right:5 solid;

}

section {
	width: 560px;
	height: 650px;
	float: left;
	background-color: #ffffff;
	padding-left: 10px;	
	margin: 25px 30px 0px 10px;
	line-height: 30px;   /*interlinea*/
	font-family: arial;
	font-size:15px;
	overflow-x:hidden;   
	border:3px solid #0b087b; border-right:5 solid;


}

aside {
	width: 400px;
	height: 650px;
	float: right;
	background-color: #ffffff;
	padding-left: 10px;	
	margin: 25px 20px 10px 0px;
	line-height: 30px;   /*interlinea*/
	font-family: arial;
	font-size:15px;
	border:3px solid #0b087b; border-right:5 solid;
	overflow-x:hidden;

	
}


footer {
	
	clear: both;
	width: 1560px;
	height: 80px;
	background-color: #f2f2f2;
	padding: 10px;
	margin: 10px;
	font-family: arial;
	font-size: 16px;
	
	color: rgb(7, 38, 92)
}

a 	{
	 text-decoration: none;	
}

#chi {font-size:20px;
	 float: left;
	 font-family: arial 
	}

#tenda {float: right;
	}