body, html {
	height: 100%;
	width: 100%;
	margin: 0px;
	padding: 0px;
}
#main {
   height: 80%;
   background-color: blue;
   display: -webkit-flex;
   display:         flex;
   flex-flow: row;
}
#main section{
	padding: 2%;
	background: #CFC;
	flex: 60%;
	order: 2;
}
#main nav {
	background: #CCF;
	flex: 20%;
	order: 1;
}
#main aside {
	background: #CCF;
	flex: 20%;
	order: 3;
}
header, footer, article {
	display: block;
	min-height: 10%;
	background: #FC6;
}
section header, section footer, section article {margin: 1%}
section header{
	background-color: pink;
	min-height: 15%;
}
section article{
	background-color: cyan;
	min-height: 60%;
}
section footer{
	background-color: yellow;
	min-height: 15%;
}