PublishingCSS:TheNewSocial

body {
	background: linear-gradient( yellow, greenyellow );
	scroll-behavior: smooth;
}
h1, h2, h3, h4, h5 {
	color: red;
}
section {
	display: none;
}
section:where(
	:first-child:target
) {
	display: block;
}

#nav {
	display: none;
}

#toc {
	position: fixed;
	left: calc( -1 * ( 30%  - 4rem ) );
	box-sizing: border-box;
	min-width: 30%;
	width: 30%;
	height: calc( 100vh - 2rem );
	top: 0;
	padding-right: 3rem;
	transition: left 0.2s linear;
}
#toc:hover {
	left: calc( 0% );
}
#toc .toctitle {
	display: none;
}
#toc ul {
	padding-left: 1rem;
	list-style: none;
}
#toc > ul > li {
	border-radius: 1rem;
	background-color: lightgray;
	box-shadow: 0 0 1rem 0 fuchsia;
	padding: 1rem;
	margin: 0;
}

.toclevel-3 {
	display: none;
}