body {
	max-width: 640px;
	padding: 1em;
	font-size: 1.2em;
	line-height: 1.3;
}

h1 {
	font-size: 1.5em;
	margin-top: 0;
}

a:visited {
	color: blue;
}

a:hover {
	color: red;
	transition: .1s ease;
}

h2 {
	font-family: sans-serif;
	font-size: 1.2em;
	margin-bottom: 0.5em;
}

img {
	max-width: 100%;
}

ul {
	margin-top: 0;
	margin-bottom: 2em;
	padding-left: 1.2em;
}

ul > ul {
	margin-bottom: 0.8em;
}

li {
	margin-bottom: 0.4em;
}

@media only screen and (max-device-width: 480px) {
	body {
		max-width: 480px;
		margin: 0 auto;
		font-size: 17px;
	}

	ul {
		padding-left: 1.3em;
	}

	ul > ul {
		padding-left: 0;
		list-style-type: none;
	}
}