body{
	font-family: Arial;
	color:#333;
}

header,footer{
	text-align: center;
	padding:40px 0;
	background:#DADADA;
}

nav ul{
	margin:0;
	padding:0;
	list-style-type: none;
	border-top:2px solid #083073;
}

nav ul li a {
	display: block;
	background: #EDBB03;
	padding: 20px 10px;
	text-align: center;
	text-decoration: none;
	text-transform: uppercase;
	color: #fff;
	font-weight: bold;
	border-bottom: 2px solid #083073;
}

main{
	display:block;
	background-color: #F2F2F2;
	padding:20px;
}

@media only screen and (min-width: 600px) {
	
	/***** Layout rules go in here ****/
	#container{
		padding:20px;
		display:flex;
		flex-wrap:wrap;
	}
	header,footer{
		flex:100%
	}
	nav{
		flex:1;
		background-color:#F7E5A3;
	}
	main{
		flex:2;
	}
	
}

@media only screen and (min-width: 1020px) {
	
	/***** Maximum sized layout rules go in here ****/
	#container{
		width:1020px;
		margin:auto;
	}
	main{
		flex:3;
		display:flex;
	}
	main article:first-of-type {
		margin-right: 20px;
		
	}
	
}