html {background: #EFD09D}

body {
	width: 800px;
	margin: 20px auto;
	background: white;
	border: 1px solid black;
	padding: 20px;
	}
	
h1 {
	text-align: center;
	color: blue;
	}
	
nav {
	text-align: center;
	margin-bottom: 30px;
	}

nav a {
	display: inline-block;
	background: red;
	color: white;
	text-decoration: none;
	font: bold 15px Arial;
	margin: 0 20px;
	padding: 5px 10px;
	}

nav a:hover {
	background: orange;
	}