body {
	font-family: Arial, sans-serif;
	line-height: 1.6;
	padding: 2rem;
}

header,
nav,
main,
footer {
	margin-bottom: 2rem;
}

nav a {
	margin-right: 1rem;
	text-decoration: underline;
	color: #0055aa;
}

button {
	padding: 0.5rem 1rem;
	font-size: 1rem;
	background-color: #0055aa;
	color: white;
	border: none;
	border-radius: 4px;
}

button:focus {
	outline: 3px solid #ffaa00;
}