body {
	margin: 0;
	padding: 0;
	font-size: 16px;
	color: #333;
	line-height: 1.8;
}

header {
	padding: 20px;
	background: #f5f5f5;
	text-align: center;
}

nav a {
	margin: 0 10px;
	text-decoration: none;
	color: #333;
}

main {
	width: 90%;
	max-width: 1000px;
	margin: 30px auto;
}

footer {
	text-align: center;
	padding: 20px;
	background: #f5f5f5;
	margin-top: 50px;
}

table {
	margin: 20px 0;
}