lynnespace/assets/style.css

* {
	box-sizing: border-box;
}
body {
	font-family: sans-serif;
	margin: 0;
	display: grid;
	grid-template-columns: max(325px, 15%) auto;
	background: #fafafa;
}

h1, h2, h3, h4, h5, h6 {
	font-family: "Open Sans", sans-serif;
}
main article h1 a,
main article h2 a,
main article h3 a,
main article h4 a,
main article h5 a,
main article h6 a {
	color: inherit;
	text-decoration: none;
}
h1, h2, h3 {
	font-weight: 400;
}
h1 {
	font-size: 2em;
}
h2 {
	font-size: 1.6em;
}

main {
	box-shadow: 0 0 40px black;
	z-index: 2;
}

main article {
	max-width: 1800px;
	padding: 0 50px 30px;
	margin: 0 auto;
	background: #fafafa;
	min-height: 100%;
	overflow: auto;
	font-size: 1.1em;
}

main article h1,
main article h2,
main article h3 {
	border-left: 5px solid mediumpurple;
	padding-left: 5px;
	margin-left: -10px;
}

main article a {
	color: #00a;
	text-decoration-style: dashed;
	text-decoration-color: transparent;
	transition: 0.2s all;
}
main article a:hover {
	text-decoration-color: unset;
}

p {
	line-height: 1.5em;
}

header {
	/* sidebar */
	position: sticky;
	top: 0;
	background: #333;
	z-index: 1;
	height: 100vh;
}

header::after {
	/* will use webp with jpeg fallback when
	https://developer.mozilla.org/en-US/docs/Web/CSS/image()#browser_compatibility becomes a thing, until then, it's jpeg
	only for now :c */
	display: block;
	position: absolute;
	top: 0;
	left: 0;
	right: 0;
	bottom: 0;
	z-index: -1;
	background: linear-gradient(to bottom, #333, #333 10%, 70%, transparent),
	url("/assets/img/background.jpeg") no-repeat bottom center/cover,
	#333;
	filter: blur(5px) saturate(75%);
	content: "";
}

nav a {
	color: white;
}
nav a {
	padding: 10px 0;
	display: block;
	width: 100%;
	text-align: center;
	text-decoration: none;
	font-size: 1.5em;
	transition: 0.2s all;
	position: relative;
}
nav a::before {
	width: 5px;
	top: 0;
	bottom: 0;
	left: -5px;
	background: mediumpurple;
	content: "";
	display: block;
	position: absolute;
	transition: 0.2s all;
}
nav a:hover {
	background: #00000044;
}
nav a:hover::before {
	left: 0;
}

#logo {
	object-fit: contain;
	display: block;
	width: min(100%, 150px);
	height: auto;
	margin: 30px auto 50px auto;
}