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;
	boder-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{
		/*changes the proportion of nav to main*/
		flex: 3;
		/*turns main into flexbox*/
		display: flex;
	}
	
	main article:first-of-type{
		margin-right: 20px;
	}
}