body {
	color: black;
	font: 100%/1.3 Arial, Helvetica, sans-serif;
	margin: 0;
}
#wrapper {
	background-color: #CCC;
}

header, nav, section, aside, footer {
	display: block
}
header {
	background-color: #000;
	color: #FFF;
}
nav {
	background-color: #FFEDBD;
}
nav ul {
    list-style-type: none;
    padding: 0;
    margin: 0;
}
nav ul li {
    padding: 1em;
}
nav ul li:hover {
    background-color: #ccaa99;
}
section{
	background-color: #E59477;
}
aside {
	background-color: #ACCBC5;
}
footer {
	background-color: #000;
	min-height: 3em;
	color: #FFF;
}


main section, aside {
    box-sizing: border-box;
    padding: 2em;
}

img {
    width: 100%;
}

@media all and (min-width:38em) {
/*   tussen 600 en 800px twee kolommen  */
    main section, aside {
        width: 50%;
        float: left;
    }
    nav ul li {
        display: inline-block;
    }
}

@media all and (min-width:55em) {
/*   tussen 800 en 1200px drie kolommen  */
    nav {
        width: 20%;
        float: left;
    }
    nav ul li {
        display: block;
    }
    main section, aside {
        width: 40%;
    }
}

@media all and (min-width:80em) {
    #wrapper {
        margin: auto;
        max-width: 80%;
    }
}