:root {
	--white: #fff;
	--grayl: #f1f1f1;
	--gray: #9e9e9e;
	--grayd: #616161;
	--black: #000;
	--redl: #ffdddd;
	--red: #f44336;
	--greenl: #ddffdd;
	--green: #4CAF50;
	--amberl: #ffe9a8;
	--amber: #ffc107;
	--orange: #ff9800;
	--purple: #673ab7;

	--small: 12px;
	--normal: 15px;
	--large: 18px;
	--title: 24px;
}

.none {
	display: none !important;
}

html {
	overflow-x: hidden;
	background: var(--grayl);
	color: var(--black);
}

body {
	font-size: var(--normal);
	min-width: 360px;
	margin: 0;
	padding: 0;
	font-family: sans-serif;
	line-height: 1.5em;
}

nav {
	overflow: scroll;
	scrollbar-width: none;
}

nav::-webkit-scrollbar {
	display: none;
}

nav>menu {
	position: relative;
	display: flex;
	width: max-content;
	list-style: none;
	padding: 0;
	margin: 0 auto;
	border-bottom: 1px dotted var(--gray);
	white-space: nowrap;
	gap: 3px;
	color: var(--gray);
}

nav>menu>li:first-child,
nav>menu>li:last-child {
	display: block;
	white-space: pre;
	position: sticky;
	min-width: 1ch;
	box-shadow: 0 0 1ch 1ch var(--grayl);
	background: var(--grayl);
	z-index: 2;
}

nav>menu>li:first-child {
	left: 0;
	margin-right: 2ch;
}

nav>menu>li:last-child {
	right: 0;
	margin-left: 2ch;
}

nav>menu>li a {
	display: inline-block;
	white-space: nowrap;
	overflow: hidden;
	user-select: none;
	z-index: 1;
	padding: 0 0.5ch;
}

nav>menu>li a em {
	font-style: normal;
}

@media (hover: hover) {
	nav>menu>li a:hover {
		color: var(--black);
	}

	nav>menu>li a:hover em {
		color: var(--red);
	}
}

div#main {
	max-width: 1080px;
	margin: 0 auto;
	padding: 0;
}

@keyframes scale {
	from {
		transform: scale(0.25);
		opacity: 0;
	}

	to {
		transform: scale(1);
		opacity: 1;
	}
}

article {
	position: relative;
	margin: 16px;
	padding: 8px 16px;
	background: var(--white);
	box-shadow: rgba(0, 0, 0, 0.4) 0px 2px 4px, rgba(0, 0, 0, 0.3) 0px 7px 13px -3px, rgba(0, 0, 0, 0.2) 0px -3px 0px inset;
	animation: scale 0.3s;
}

section {
	display: block;
	margin: 0;
	padding-left: 16px;
}

section h5 {
	font-weight: normal;
	transform: translateX(-16px);
	color: var(--gray);
}

h1,
h2,
h3,
h4,
h5,
h6 {
	font-weight: normal;
	line-height: 1em;
	margin: 1ch 0;
}

h4,
h5,
h6 {
	font-weight: bold;
	margin: 0;
}

h1 {
	font-size: 2em;
}

h2 {
	font-size: 1.5em;
}

h3 {
	font-size: 1.2em;
}

h4 {
	font-size: 1.2em;
}

h5 {
	font-size: 1em;
}

h6 {
	font-size: 0.9em;
}

blockquote {
	background: var(--grayl);
	color: var(--gray);
	margin: 1em 0;
	padding: 1ch;
}

blockquote>*:first-child {
	margin-top: 0;
}

blockquote>*:last-child {
	margin-bottom: 0;
}

hr {
	display: block;
	border: 1px solid var(--gray);
	margin: 1em 0;
	padding: 0;
}

pre,
code {
	font-family: monospace;
}

pre {
	white-space: pre-wrap;
}

a {
	color: inherit;
	text-decoration: underline;
	text-underline-offset: 4px;
}

@media (hover: hover) {
	a:hover {
		color: var(--amber);
	}
}

a:visited {
	color: inherit;
}

a:focus {
	outline: none;
}

nav a,
h1 a,
h2 a,
h3 a,
h4 a,
h5 a,
h6 a,
section a {
	text-decoration: none;
}

p {
	margin: 1em 0;
}

img {
	display: block;
	max-width: 100%;
	min-width: 40%;
	margin: 1em auto;
}

code {
	padding: 0.1em 8px;
	border-radius: 4px;
	background: var(--grayd);
	color: var(--white);
}

b {
	font-weight: bold;
}

mark {
	background: var(--amberl);
}

ul,
ol {
	margin: 1em 0;
	padding: 0 0 0 2em;
}

img {
	border: 0;
	-ms-interpolation-mode: bicubic;
	vertical-align: middle;
}

table {
	border-collapse: collapse;
	border-spacing: 0;
	width: 100%;
	text-align: left;
	line-height: 1em;
	margin: 1em 0;
}

th {
	background: var(--grayl);
}

@media (hover: hover) {
	tr:hover {
		background: var(--grayl);
	}
}

th,
td {
	border: 1px solid #ccc;
	padding: 0.5em;
}