h1 {color: #00D7FF;
	text-align: center}

html {background:#D9FFF7}

body {width: 900px;	
	margin: 0 auto;
	border: 1px solid;
	background: white}

header {background:#00A7FF;
	color: white;
	font: bold 40px Serif;
	text-align: center;
	}
main  {padding: 20px}

footer{text-align: center}

nav a {color: white;
	font: bold 20px Sans;
	text-decoration: none;
	padding: 20px;}

nav a:hover {color: yellow}