body {
	font-family: sans-serif;
	padding: 8px 16px;
	background-color: #222;
	color: #ddd;
	margin: 0;
	width: 300px;
}

h1 {
	font-weight: 400;
	text-align: center;
}

button {
	padding: 12px;
	background-color: #ddd;
	border: none;
	box-shadow: none;
	cursor: pointer;
	border-radius: 3px;
	width: 100%;
}

button:hover, button:focus {
	background-color: #ccc;
}