body, html{
	height: 100%;
	width: 100%;
	margin: 0px;
	padding: 0px;
}
#main{
	height: 80%;
	display: -webkit-flex;
	display: flex;
	flex-flow: row;
}
#main section{
	background: #cfc;
	flex: 3 1 60%;
	order:2;

}
#main nav{
	background: #ccf;
	flex:1 6 20%;
	order:1;

}
#main aside{
	background: #ccf;
	flex:1 6 20%;
	order:3;

}
header, footer{
	display: block;
	min-height: 10%;
	background: #fc6;
}
#header1{
	background: green;
	display: block;
	height: 100px;
	width: 738px;
	margin-bottom: 20px;
	margin-right: 40px;
	margin-left: 40px;
    
}
#article1{
	background: orange;
	height: 200px;
	width: 738px;
	margin-bottom: 20px;
	margin-right: 40px;
	margin-left: 40px;
}
#footer1{
	background: green;
	height: 100px;
	width: 738px;
	margin-left: 40px;
	margin-right: 40px;
}