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


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


nav ul{
    margin: 0px;
    padding: 0px;
    list-style: 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;
    }

    main article:first-of-type{
        margin-right: 20px;
    }
}