body {
	background-color: chartreuse;
	color: black;
}

h1 {
	text-align: center;
}

ul * {
	list-style-type: square;
	padding-bottom: 2px;
	padding-top: 2px;
}

.screenshot {
	width: 45%;
}

.footnote {
	font: caption;
}

footer * {
	text-align: center;
}