html {
	line-height: 1.5;
	font-size: 20px;
}
body {
	background-color: #445;
	color: #fff;
	font-family: sans-serif;
}
main {
	max-width: 700px;
	margin: 0 auto;
}
hr {
	height: 1px;
	border: none;
	background-color: #9ef;
}