body	{
		}

div		{display:flex;
		align-items:stretch;
		}

header	{background-color:#00a3af;
		width:auto;
		height:10%;
		}

main	{order:1;
		width: 80%;
		height: auto;
		}

nav		{background-color:#b88884;
		order:0;
		width: 20%;
		height:auto;
		}

footer	{
		}