body, html {
	height: 100%;
	width: 100%;
	margin: 0px;
	padding: 0px;
}

header, footer {
	display: block;
	min-height: 10%;
	background: #FC6;
}

#main {
   height: 80%;
   display: -webkit-flex;
   display:         flex;
   flex-flow: row;
}

#main section {
	background: #CFC;
	flex: 3 1 60%;
	order: 2;
}

article {
	background: white;
	min-height: 50%;
}

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

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