html { color-scheme: dark; }
body {
	margin: 0;
	background: #111;
	color: #ddd;
	font: 16px/1.55 system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
a { color: #69a02a; }
a:visited { color: #69a02a; }
.top {
	display: flex;
	gap: 1.5rem;
	align-items: baseline;
	padding: 1rem max(1rem, calc((100vw - 900px) / 2));
	background: #181818;
	border-bottom: 1px solid #333;
}
.brand {
	font-weight: 700;
	text-decoration: none;
	color: #ddd;
}
nav {
	display: flex;
	gap: 1rem;
	flex-wrap: wrap;
}
nav a { text-decoration: none; }
main {
	max-width: 900px;
	margin: 0 auto;
	padding: 2rem 1rem 4rem;
}
footer {
	max-width: 900px;
	margin: 0 auto;
	padding: 1rem;
	border-top: 1px solid #333;
	color: #aaa;
	font-size: .9rem;
}
h1, h2, h3 { line-height: 1.2; color: #ddd; }
code, pre {
	background: #1f1f1f;
	color: #ddd;
}
code { padding: .1rem .25rem; }
pre {
	padding: 1rem;
	overflow: auto;
	border: 1px solid #333;
}
table {
	border-collapse: collapse;
	width: 100%;
	display: block;
	overflow-x: auto;
}
th, td {
	border: 1px solid #333;
	padding: .4rem .6rem;
	vertical-align: top;
}
blockquote {
	border-left: .25rem solid #555;
	margin-left: 0;
	padding-left: 1rem;
	color: #ccc;
}
@media (max-width: 640px) {
	body { font-size: 15px; }
	.top { display: block; }
	nav { margin-top: .5rem; }
}
.help-screenshot {
	display: block;
	max-width: 100%;
	height: auto;
	margin: 1rem 0 2rem;
	border: 1px solid #333;
}