body {
	margin: 0;
	padding: 0;
	font-family: Arial, sans-serif;
	font-size: 16px;
	line-height: 1.4;
}

header {
	background-color: #333;
	color: #fff;
	padding: 20px;
}

nav ul {
	margin: 0;
	padding: 0;
	list-style: none;
}

nav li {
	display: inline-block;
	margin-right: 20px;
}

nav a {
	color: #fff;
	text-decoration: none;
}

main {
	max-width: 800px;
	margin: 0 auto;
	padding: 20px;
}

section {
	margin-bottom: 30px;
}

h2 {
	font-size: 2em;
	margin-top: 0;
}

ul {
	margin: 0;
	padding: 0;