* {
	box-sizing: border-box;
}

body {
	margin: 0;
	font-family: Arial, Helvetica, sans-serif;
	line-height: 1.5;
	min-height: 100vh;
	display: flex;
	flex-direction: column;
}

.container {
	max-width: 960px;
	margin: 0 auto;
	padding: 16px;
}

main.container {
	flex: 1;
}

.site-header,
.site-footer {
	border-bottom: 1px solid #ddd;
}

.site-footer {
	border-top: 1px solid #ddd;
	border-bottom: 0;
}

.site-nav a {
	margin-left: 8px;
}