:root {
	--h1-color: #20b0ff;
	--text-color: #eee;
	--dark-text-color: #bbb;
	--link-color: yellow;
	--nav-width: 12rem;
	--bg-color-light: #306030;
	--bg-color-dark: #204020;
}

body {
	background-color: var(--bg-color-light);
	margin-left: auto;
	margin-right: auto;
}

nav {
	background-color: var(--bg-color-dark);
	position: fixed;
	top: 0;
	left: 0;
	padding-top: 0.25em;
	padding-right: 0.5em;
	padding-left: 0.5em;
	width: calc(var(--nav-width) - 2em);
	height: 100%;
}

ul {
	color: var(--text-color);
}

nav ul {
	list-style-type: none;
	padding: 0;
	margin: 0;
}

nav ul li {
	border-color: darkgreen;
	border: 1px solid darkgreen;
	border-bottom-right-radius: 15px;
	margin-top: 0.25em;
}

nav ul li a {
	display: block;
	background-color: darkgreen;
	border: 1px solid green;
	font-size: 1.5rem;
	border-bottom-right-radius: 15px;
}

main {
	margin-left: var(--nav-width);
}

p, h2, h3, h4, h5 { 
	color: var(--text-color);
}

sub {
	color: var(--dark-text-color);
}

h1 {
	color: var(--h1-color);
}

a {
	color: var(--link-color);
}
a:hover {
	color: var(--text-color);
}

.icon {
	display: inline-block;
	width: 1em;
	vertical-align: top;
	padding-top: 0.1em;
	color: var(--text-color);
}

.gallery {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(8em, 1fr));
	gap: 1em;
	padding: 1em;
	width: 70%;
	margin: 0 auto;
	background: white;
}

.gallery img {
	width: 100%;
	aspect-ratio: 1;
	object-fit: cover;
	border-radius: 0.5em;
	box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
	transition: 0.3s;
}

.gallery img:hover {
	transform: scale(1.05);
}

code {
	font-family: monospace;
	color: var(--text-color);
}

pre > code {
	width: 40em;
	display: block;
	background: var(--bg-color-dark);
	padding: 0.25em;
	border: 2px solid black;
	border-radius: 0.4em;
	word-wrap: break-word;
}