body, html {
	height: 100%;
	width: 100%;
	margin: 0px;
	padding: 0px;
}
#main {
   height: 80%;
   display: -webkit-flex;
   display:         flex;
   flex-flow: row;
}
#main section {
	border: 1px;
	margin: 2px;
	border-style: solid;
	flex: 3 1 60%;
	height: 90%;
	order: 2;
}
#main nav {
	border: 1px;
	margin: 2px;
	border-style: solid;
	flex: 1 6 20%;
	order: 1;
}
#main aside {
	border: 1px;
	margin: 2px;
	border-style: solid;
	flex: 1 6 20%;
	order: 3;
}
header, footer {
	border: 1px;
	margin: 2px;
	border-style: solid;
	display: block;
	min-height: 10%;

}

header.article, footer.article {
	border: 1px;
	margin: 2px;
	border-style: solid;
	display: block;
	min-height: 10%;
}

article {
	border: 1px;
	margin: 2px;
	border-style: solid;
	display: block;
	min-height: 50%;
}