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: 600px;
	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;   
}


	section {
		width: 410px;
		height: 650px;
		float: left;
		background-color: #ffffff;
		padding-left: 10px;	
		margin: 25px 50px 0px 10px;
		line-height: 30px;   /*interlinea*/
		font-family: arial;
		font-size:15px;
		overflow-x:hidden;         	

}

aside {
	width: 380px;
	height: 650px;
	float: right;
	background-color: #ffffff;
	padding-left: 35px;	
	margin: 25px 20px 10px 0px;
	line-height: 30px;   /*interlinea*/
	font-family: arial;
	font-size:15px;
	border:3px solid #d54f0c; 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)
}





#tendina
{ 
	
	.dropbtn {
	  background-color: #ffffff;
	  color: rgb(14, 143, 17);
	  padding: 7px;
	  font-family: arial;
	  font-size:19px;
	  font-style: italic;
	  font-weight: bold;
	  border: none;
	}
	
	.dropdown {
	  position: relative;
	  display: inline-block;
	  font-size:19px;
	  
	  
	}
	
	.dropdown-content {
	  display: none;
	  position: absolute;
	  background-color: #f2;
	  min-width: 160px;
	  box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
	  z-index: 1;
	  font-style: italic;
	  font-weight: normal;

	}
	
	.dropdown-content a {
	  color: black;
	  padding: 12px 16px;
	  text-decoration: none;
	  display: block;

	}
	
	.dropdown-content a:hover {background-color: #f2f2f2;}
	
	.dropdown:hover .dropdown-content {display: block;}
	
	.dropdown:hover .dropbtn {background-color: #f2f2f2;}
		
}

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

#tenda {float: right;
	}