:root {
	--background-color: #fff;
	--foreground-color: #333;
	--link-color-hue: 151;
	--link-color: hsl(var(--link-color-hue), 44.7%, 50%);
	--link-color-hover: hsl(var(--link-color-hue), 44.7%, 45%);
	--signature-color: #666;
	--date-color: #aaa;
	--header-background-color: #111;
	--header-foreground-color: #eee;
	--header-link-color: #ddd;
	--code-background-color: #f6f6f6;
	--code-foreground-color: #444;
}

html {
	height: 100%;
}
body {
	min-height: 100%;
	font-family: 'Merriweather Sans', sans-serif;
	background-color: var(--background-color);
	color: var(--foreground-color);
}

a, a:focus {
	transition: color .3s ease-in-out;
	color: var(--link-color);
}
a:hover, a:active {
	color: var(--link-color-hover);
}

ul, ol {
	padding-left: 25px;
}

code {
	color: var(--code-foreground-color);
	background-color: var(--code-background-color);
}
pre code {
	overflow-x: auto;
	overflow-wrap: normal;
	white-space: pre;
}
blockquote {
	font-size: 14px;
}

header {
	background-color: var(--header-background-color);
	color: var(--header-foreground-color);
	padding: 40px;

	h1 {
		text-transform: uppercase;
		font-size: 50px;
		letter-spacing: 15px;
		margin: 0;
		margin-left: -0.04em;
	}
}

#index header {
	display: inline-flex;
	flex-direction: column;

	ul {
		display: flex;
		justify-content: flex-start;
		gap: 20px;
		flex-grow: 1;
		padding: 0;

		li {
			list-style: none;
		}
	}
}

#index .x-footer {
	position: fixed;
	bottom: 40px;
	left: 40px;
}
#index .x-footer a {
	color: var(--header-link-color);
	transition: color .3s ease-in-out;
}
#index .x-footer a:hover {
	color: var(--link-color);
}

@media (max-width: 767px) {
	header {
		padding: 30px;
		display: block;

		h1 {
			letter-spacing: 5px;
			font-size: 40px;
		}
	}
	#index header ul {
		display: block;

		li {
			display: list-item;
		}
	}
}

header h1 a, header h1 a:focus {
	color: #eee;
}
header h1 a:hover {
	text-decoration: none;
}
header ul {
	margin: 25px 0 0;
}
header ul li {
	padding-bottom: 20px;
}
header ul a {
	color: var(--header-link-color);
	font-weight: 700;
	text-decoration: none;
}
header ul a:hover, header ul a:active {
	color: var(--link-color);
	text-decoration: none;
}

.content {
	padding: 40px;
	max-width: 1000px;
	line-height: 24px;
}
@media (max-width: 767px) {
	.content {
		padding: 30px;
	}
}
.content h2 {
	margin-top: 0;
}
.content h3 {
	margin-top: 25px;
	margin-bottom: 15px;
}
.content h4 {
	margin-top: 25px;
	margin-bottom: 15px;
}
.content p {
	margin-bottom: 15px;
}
.content p:last-child {
	margin-bottom: 0;
}
.content ul {
	margin-bottom: 15px;
}
.content li {
	margin-bottom: 15px;
}
.content img {
	max-width: 100%;
}
.content .footnotes {
	margin-top: 60px;
	font-size: 12px;
}
.content .footnotes:before {
	content: "Footnotes:";
	margin-bottom: 10px;
	display: block;
	font-style: italic;
}
/* Not the foot note items themselves, but any list items contained inside. */
.content .footnotes ol li li {
	margin-bottom: 10px;
}

.content h1 > a.anchor,
.content h2 > a.anchor,
.content h3 > a.anchor,
.content h4 > a.anchor,
.content h5 > a.anchor,
.content h6 > a.anchor {
	visibility: hidden;
	padding-left: 0.375em;
	font-style: italic;
}

.content h1 > a.anchor:before,
.content h2 > a.anchor:before,
.content h3 > a.anchor:before,
.content h4 > a.anchor:before,
.content h5 > a.anchor:before,
.content h6 > a.anchor:before {
	content: '#';
}

.content h1:hover > a.anchor,
.content h2:hover > a.anchor,
.content h3:hover > a.anchor,
.content h4:hover > a.anchor,
.content h5:hover > a.anchor,
.content h6:hover > a.anchor {
	visibility: visible;
}

p.date {
	color: var(--date-color);
}
p.date a, p.date a:visited {
	color: var(--date-color) !important;
	text-decoration: underline;
}
p.date a:hover, p.date a:active {
	color: var(--link-color) !important;
}
p.signature {
	margin-top: 60px;
	color: var(--signature-color);
}

.post h2 {
	margin-bottom: 20px;
}

.date-header {
	font-weight: bold;
	font-family: monospace;
}

.presentation-list .date {
	font-family: monospace;
	padding-right: 10px;
}
.presentation-list small {
	padding-left: 5px;
}
@media (max-width: 767px) {
	.presentation-list .date {
		display: block;
	}
	.presentation-list small {
		display: block;
		padding-left: 0;
	}
}

.presentation section {
	margin-top: 20px;
	margin-bottom: 20px;
}
.presentation .description {
	margin-bottom: 50px;
}

.presentation .youtube,
.presentation .vimeo {
	position: relative;
	padding-bottom: 56.25%;
	height: 0;
	overflow: hidden;
	max-width: 100%;
}
.presentation .youtube iframe,
.presentation .vimeo iframe,
.presentation .youtube object,
.presentation .vimeo object,
.presentation .youtube embed,
.presentation .vimeo embed {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
}

img.float-right {
	margin: 0 1em .5em 1em;
	float: right;
}
@media (max-width: 500px) {
	img.float-right {
		float: none;
		display: block;
		margin: 1em auto;
	}
}

dt {
	margin-bottom: 5px;
}
dd {
	margin: 0 0 10px 10px;
}

table {
	margin-bottom: 15px;
}
td, th {
	padding: 2px 8px;
}