git ssb

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@import url("fonts/fonts.css");
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/* See fonts/LICENSE.md */
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/* Base */
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:root {
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	--primary-color: #60c030;
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	--secondary-color: #ffffff;
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	--hue: 100;
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	--saturated: 100%;
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	--unsaturated: 20%;
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	--background-color: hsl(var(--hue), var(--saturated), 98%);
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	--foreground-color: hsl(var(--hue), var(--unsaturated), 10%);
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	--foreground-dim-color: hsla(var(--hue), var(--unsaturated), 10%, 70%);
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	--link-color: hsl(var(--hue), var(--saturated), 20%);
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	--link-dim-color: hsla(var(--hue), var(--saturated), 20%, 50%);
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	--separator-color: hsla(var(--hue), var(--unsaturated), 20%, 50%);
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	--box-shadow-style: inset 0 -1px 0;
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	--fast: 0.2s;
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	--slow: 0.4s;
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}
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*, *::before, *::after {
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	max-width: 100%;
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	transition: all var(--fast);
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}
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/* Typography */
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html {
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	/* 1rem works out at 20px. */
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	font-size: 1.25em;
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}
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body {
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	background-color: var(--background-color);
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	color: var(--foreground-color);
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	font-family: "HK Grotesk", sans-serif;
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	font-variant-ligatures: no-common-ligatures;
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	font-weight: 300;
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	line-height: 1.5rem;
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}
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code, kbd, samp {
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	font-family: "Fira Mono", monospace;
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	/* Better match surrounding HK Grotesk. */
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	font-size: 0.9rem;
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}
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/* Layout */
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html, body {
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	margin: 0;
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	padding: 0;
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}
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body {
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	display: grid;
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	grid-template-columns: 1rem 1fr minmax(1rem, 40rem) 1fr 1rem;
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}
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	body > * {
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		grid-column: 3/4;
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	}
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.visuallyhidden {
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	position: absolute !important;
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	top: -9999em !important;
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	left: -9999em !important;
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}
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/* Top and bottom navigation, article footer */
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.topnav {
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	margin-top: 10vh;
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	margin-bottom: 1rem;
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}
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footer {
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	border-top: 1px solid var(--separator-color);
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	margin-top: -1px;
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	margin-bottom: 1rem;
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}
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.bottomnav {
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	border-top: 1px solid var(--separator-color);
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	margin-top: -1px;
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	margin-bottom: 10vh;
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}
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/* Logo */
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.logo {
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	display: block;
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	position: relative;
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	height: 4rem;
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	width: 4rem;
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	margin-bottom: -0.5rem;
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	margin-left: auto;
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	margin-right: auto;
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	padding-bottom: 0.5rem;
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}
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	.logo circle {
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		fill: var(--primary-color);
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		stroke-width: 0;
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	}
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	.logo path {
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		fill: var(--secondary-color);
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	}
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	.bottomnav .logo {
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		margin-top: 2rem;
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	}
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	.bottomnav .logo circle {
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		fill: transparent;
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		stroke: var(--foreground-dim-color);
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		stroke-width: 12px;
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	}
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	.bottomnav .logo path {
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		fill: var(--foreground-dim-color);
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	}
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	.bottomnav a .logo circle {
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		stroke: var(--link-color);
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	}
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	.bottomnav a .logo path {
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		fill: var(--link-color);
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	}
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.logo span {
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	display: block;
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	position: absolute;
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	top: 0;
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	left: 5rem;
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	line-height: 4rem;
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	opacity: 0;
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	transition-property: opacity;
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}
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	.logo:focus span,
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	.logo:hover span {
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		height: auto;
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		width: auto;
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		opacity: 1;
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	}
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/* Nearby pages */
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nav.nearby {
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	display: block;
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	margin-top: 1rem;
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}
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	nav.nearby ul,
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	nav.nearby li {
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		display: inline;
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		margin: 0;
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		padding: 0;
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	}
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	nav.nearby li {
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		grid-row: 1/2;
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	}
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	nav.nearby li.up {
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		grid-column: 2/3;
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	}
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	nav.nearby li.next {
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		grid-column: 3/4;
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	}
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	nav.nearby li.prev {
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		grid-column: 1/2;
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	}
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	nav.nearby a {
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		display: block;
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		margin-top: 1rem;
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		margin-right: 1rem;
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	}
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	nav.nearby a span {
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		display: inline-block;
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		width: 1rem;
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		margin-right: 1rem;
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	}
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	nav.nearby a[rel="up"] span {
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		content: "↑ ";
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	}
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	nav.nearby a[rel="next"] span {
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		content: "→ ";
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	}
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	nav.nearby a[rel="prev"] span {
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		content: "← ";
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	}
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	@media (min-width: 42rem) {
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		nav.nearby ul {
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			display: grid;
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			grid-template-columns: 1fr 1fr 1fr;
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			margin-right:0;
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		}
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		nav.nearby a {
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			margin-top: 0;
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			margin-right: 0;
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			text-align: center;
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		}
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		nav.nearby a span {
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			width: 100%;
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		}
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		nav.nearby a[rel="up"] {
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			text-align: center;
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		}
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		nav.nearby a[rel="next"] {
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			text-align: right;
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		}
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		nav.nearby a[rel="prev"] {
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			text-align: left;
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		}
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	}
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/* Page heading */
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header {
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	margin-bottom: 1rem;
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}
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	.pagetitle {
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		margin-top: 0;
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		margin-bottom: 0;
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		padding-top: 1rem;
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		padding-bottom: 1rem;
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		font-size: 2rem;
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		line-height: 2rem;
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		text-align: center;
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	}
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summary {
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	display: block;
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	box-shadow: var(--box-shadow-style) transparent;
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	cursor: pointer;
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}
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	summary:focus,
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	summary:hover {
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		outline: 0;
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		box-shadow: var(--box-shadow-style) currentColor;
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	}
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	summary::before {
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		content: "⋮";
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		line-height: 2rem;
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		width: 1rem;
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		padding-top: 1rem;
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		padding-left: 1rem;
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		float: right;
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		text-align: center;
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	}
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	details[open] summary::before {
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		content: "×";
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	}
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	summary::-webkit-details-marker {
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		display: none;
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	}
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	summary h1::before {
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		/* Keep the summary centred. */
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		content: " ";
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		height: 2rem;
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		width: 1rem;
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		padding-right: 1rem;
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		float: left;
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	}
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details > section {
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	border-bottom: 1px solid var(--separator-color);
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	margin-top: 1rem;
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	padding-bottom: calc(1rem - 1px);
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}
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	details > section > * {
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		display: inline-block;
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		margin-top: 0;
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		margin-bottom: 0;
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		margin-right: 1rem;
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		opacity: 0;
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		transition: opacity var(--slow);
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	}
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	details[open] > section > * {
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		opacity: 1;
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	}
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header .image {
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	/* The height is overridden by inline styles for some articles. */
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	height: 4rem;
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	background-position: center;
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	background-size: cover;
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	opacity: 0.5;
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}
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/* Lists of links */
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footer .smalllinks {
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	margin-top: 1rem;
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	margin-bottom: 1rem;
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}
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	.smalllinks ul {
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		display: inline;
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		padding-left: 0;
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	}
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	.smalllinks li {
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		display: inline;
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	}
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	.smalllinks h2,
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	.smalllinks a {
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		display: inline-block;
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		margin-top: 0;
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		margin-bottom: 0;
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		margin-right: 1rem;
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	}
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.biglinks {
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	margin-top: 1rem;
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	margin-bottom: 1rem;
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	padding-left: 0;
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	list-style-type: none;
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}
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	.biglinks li {
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		margin-top: 1rem;
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		color: var(--foreground-dim-color);
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	}
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	.biglinks li a {
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		display: block;
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	}
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	.biglinks li a > * {
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		display: inline-block;
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		margin-right: 1rem;
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	}
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	.biglinks li strong {
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		display: inline-block;
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		margin-top: 0;
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		margin-bottom: 0;
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		font-weight: 600;
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	}
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.biglinks li a strong ~ * {
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	color: var(--foreground-dim-color);
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}
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	.biglinks li a:focus strong ~ *,
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	.biglinks li a:hover strong ~ * {
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		color: var(--link-color);
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	}
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/* Headings */
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h1, h2, h3, h4, h5, h6 {
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	margin-top: 0;
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	margin-bottom: 0;
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	font-size: 1rem;
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	font-weight: 300;
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	line-height: 2rem;
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}
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	article > main h1,
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	article > main h2,
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	article > main h3,
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	article > main h4,
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	article > main h5,
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	article > main h6 {
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		margin-top: 2rem;
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		margin-bottom: 1rem;
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	}
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	article > main section h1,
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	article > main h4 {
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		font-size: 1.7rem;
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	}
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	article > main section section h1,
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	article > main h5 {
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		font-size: 1.4rem;
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	}
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	article > main section section section h1,
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	article > main h6 {
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		font-size: 1.1rem;
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	}
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/* Common structures */
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a {
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	text-decoration: none;
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}
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	:link, :visited {
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		color: var(--link-color);
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		font-weight: 400;
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		opacity: 0.8;
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		box-shadow: var(--box-shadow-style) transparent;
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	}
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	:link:focus,
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	:link:hover,
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	:visited:focus,
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	:visited:hover {
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		opacity: 1;
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		filter: none;
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		box-shadow: var(--box-shadow-style) currentColor;
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		outline: 0;
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	}
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	address :link,
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	address :visited,
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	p :link,
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	p :visited {
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		box-shadow: var(--box-shadow-style) var(--link-dim-color);
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	}
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address {
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	font-style: inherit;
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}
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aside {
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	font-style: italic;
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}
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blockquote {
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	margin-left: 2rem;
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	margin-right: 2rem;
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}
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figure {
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	margin-left: 0rem;
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	margin-right: 0rem;
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}
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	figure + figure {
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		border-top: 1px solid var(--separator-color);
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		margin-top: -1px;
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	}
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	figcaption {
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		margin-left: 2rem;
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		margin-right: 2rem;
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	}
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	figcaption > * {
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		display: inline-block;
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		margin-right: 1rem;
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	}
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hr {
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	height: 0;
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	border: 0;
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	border-top: 1px solid var(--separator-color);
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	margin-top: calc(1rem - 1px);
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	margin-bottom: 1rem;
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	padding: 0;
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}
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img, object {
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	display: inline-block;
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	margin-left: auto;
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	margin-right: auto;
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	text-align: center;
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}
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.inset {
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	max-width: 50%;
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	float: right;
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	margin-left: 1rem;
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}
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ol, ul {
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	margin-left: 0;
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	padding-left: 1rem;
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}
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p {
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	margin-top: 1rem;
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	margin-bottom: 1rem;
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}
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pre {
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	line-height: 1rem;
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}
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small {
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	font-size: 1rem;
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}
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strong {
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	/* Without this, the weight increases from 300 to 400,
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	   which isn't distinct enough. */
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	font-weight: 600;
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}
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