/* https://www.a11yproject.com/posts/how-to-hide-content/ */
.visually-hidden {
	clip: rect(0 0 0 0);
	clip-path: inset(50%);
	height: 1px;
	overflow: hidden;
	position: absolute;
	white-space: nowrap;
	width: 1px;
}

html {
	overflow-y: overlay;
}

body {
	line-height: 1.6;
}

pre, code {
	font-family: Monaco, monospace;
}

header {
	display: flex;
	gap: 1em 0.5em;
	flex-wrap: wrap;
	align-items: center;
	padding-top: 1.5em;
	padding-bottom: 1.5em;
	border-bottom: 1px dashed var(--dark);

	&:after {
		content: "";
		display: table;
		clear: both;
	}
}

.nav {
	dispaly: flex;
	padding: 0;
	margin: 0;
	list-style: none;
}

.nav a[href][aria-current="page"] {
	text-decoration: underline;
}

.nav-item {
	display: inline-block;
	margin-right: 1em;
}

.nav-item a[href]:not(:hover) {
	text-decoration: none;
}

.no-wrap {
	white-space: nowrap;
}

img .center {
	display: block;
	margin-left: auto;
	margin-right: auto;
}

img .max-width-gif-316 {
	max-width: 316px;
}

td.listing-row {
	vertical-align: top;
	height: 0;
}

td.pad-right {
	padding-right: 0.5em;
}

td.pad-left {
	padding-left: 0.5em;
}

footer {
	border-top: 1px dotted;
	margin: 4rem 0 2rem;
	padding: 2rem 0;
	position: relative;
}
 footer > p {
	margin-top: 0;
 }

 footer > nav > ul {
	list-style: none;
	padding: 0;
 }