custom-template.css

:root {
  /* Colors */
  --color-background: white;
  --color-text: #333;
  --color-text-muted: #777;
  --color-border: #eee;

  --color-primary: hsl(210, 70%, 50%);

  --color-background-faded: #f2f2f2;
  --color-background-sidebar: #fafafa;
  --color-background-code: #f2f2f2;

  --box-shadow: 0 0 0.5rem rgba(0, 0, 0, 0.1);

  /* Layout */
  --height-header: 3rem;
  --width-sidebar: 18rem;
  --width-toc: 12rem;

  /* Typography */
  --font-size: 18px;
  --font-size-small: 0.8rem;

  --line-height: 1.5;
  --line-height-small: 1.25;

  --font-weight-bold: 600;
  /* Safari for OS X and iOS (San Francisco) */
  /* Chrome for OS X (San Francisco) */
  /* Chinese font for OSX and iOS */
  /* Android */
  /* Windows */
  /* Chinese font for Windows */
  /* Linux */
  /* Basic web fallback */
  /* Emoji */
  --font-family: '-apple-system', 'BlinkMacSystemFont',
    'Hiragino Sans GB', 'Roboto', 'Segoe UI', 'Microsoft Yahei',
    '微软雅黑', 'Oxygen-Sans', 'Ubuntu', 'Cantarell', 'Helvetica',
    'Arial', 'STHeiti', sans-serif, 'Apple Color Emoji',
    'Segoe UI Emoji', 'Segoe UI Symbol';

  --font-family-monospace: 'Menlo', 'Monaco', 'Consolas',
    'Liberation Mono', 'Courier New', monospace;

  /* z-index */
  --z-index-sidebar: 100;
  --z-index-header: 200;
  --z-index-popover: 300;

  /* Others */
  --opacity: 0.7;
  --transition-duration: 0.3s;
}

html.is_dark {
  --color-background: #222;
  --color-text: #aaa;
  --color-text-muted: #777;
  --color-border: #333;

  --color-primary: hsl(210, 60%, 60%);

  --color-background-faded: #111;
  --color-background-sidebar: #1a1a1a;
  --color-background-code: #333;

  --box-shadow: 0 0 0.5rem rgba(0, 0, 0, 0.8);
}

/* RESPONSIVE FONT SIZE */
html {
  font-size: clamp(16px, 4vw, 22px);
}

html {
  font-size: min(max(16px, 4vw), 22px);
}

/*

html {
  font-size: 16px;
}
@media screen and (min-width: 320px) {
  html {
    font-size: calc(16px + 6 * ((100vw - 320px) / 680));
  }
}
@media screen and (min-width: 1000px) {
  html {
    font-size: 22px;
  }
} */

/* SCROLLBAR */
/* body::-webkit-scrollbar {
    width: 1em;
}

body::-webkit-scrollbar-track {
    -webkit-box-shadow: inset 0 0 6px rgba(0,0,0,0.3);
} */
*::-webkit-scrollbar {
  width: 0.2rem; /* width of the entire scrollbar */
}

*::-webkit-scrollbar-track {
  background: var(
    --color-background-code
  ); /* color of the tracking area */
}

*::-webkit-scrollbar-thumb {
  background-color: var(
    --color-background-faded
  ); /* color of the scroll thumb */
  border-radius: var(
    --font-size
  ); /* roundness of the scroll thumb */
  border: 0.1rem solid var(--color-background-code); /* creates padding around scroll thumb */
}

/**
 * Resets
 *
 * Global resets to common HTML elements.
 * Doesn't depend on any third party libraries.
 * Inspired by Normalise.css and bootstrap/_reboot.scss
 * Doesn't reset form and table because it's hard to set styles back in third-party libraries
 */

/* #region html and body */
html {
  box-sizing: border-box;
  /* Prevent adjustments of font size after orientation changes in IE and iOS. */
  text-size-adjust: 100%;
  font-size: var(--font-size);
  line-height: var(--line-height);
  color: var(--color-text);
  background-color: var(--color-background);
}
*,
*::before,
*::after {
  box-sizing: inherit;
}
body {
  margin: 0;
}
/* #endregion */

/* #region Typography */
body,
button,
input,
select,
textarea {
  font-family: var(--font-family);
}
code,
kbd,
samp,
pre,
time {
  font-family: var(--font-family-monospace);
}

h1,
h2,
h3,
h4 {
  margin-top: 2rem;
}
h5 {
  margin-top: 1.5rem;
}
h6 {
  margin-top: 1rem;
}
p,
blockquote,
table,
dl,
ul,
ol,
address,
figure {
  margin: 1rem 0 0 0;
}
hr {
  margin: 2rem 0;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-small);
  margin-bottom: 0.5rem;
}
h1 {
  font-size: 32px;
}
h2 {
  font-size: 24px;
}
h3 {
  font-size: 18px;
}
h4,
h5,
h6 {
  font-size: var(--font-size);
}

a {
  color: var(--color-primary);
  text-decoration: none;
  /* Remove gaps in links underline in iOS 8+ and Safari 8+. */
  -webkit-text-decoration-skip: objects;
}
a:active,
a:hover {
  text-decoration: underline;
}

b,
strong,
dt {
  font-weight: var(--font-weight-bold);
}

code,
kbd,
samp {
  background-color: var(--color-background-code);
  font-size: var(--font-size-small);
  padding: 0.2em 0.3em;
}
pre {
  background-color: var(--color-background-faded);
  font-size: 12px;
  line-height: var(--line-height-small);
  overflow: auto;
  -webkit-overflow-scrolling: touch;
  margin: 1rem 0 0 0;
  padding: 1rem;
}
pre[class*='language-'] {
  margin: 1rem 0 0 0 !important;
  padding: 0.75rem 1rem !important;
  font-size: 12px !important;
}
code[class*='language-'] {
  font-size: 12px !important;
}
/* Override the code styles */
pre code {
  background-color: transparent;
  padding: 0;
}
blockquote {
  border-left: 5px solid var(--color-border);
  color: var(--color-text-muted);
  padding: 0.5rem 0 0.5rem 1rem;
}
blockquote > *:first-child {
  margin-top: 0;
}

ul,
ol {
  padding: 0 0 0 1.5em;
  line-height: var(--line-height-small);
}
dt,
dd,
ol ol,
ul ul,
ol ul,
ul ol {
  margin: 0;
}
li {
  margin-top: 0.5rem;
}

table {
  font-size: 14px;
  line-height: var(--line-height-small);
}

hr {
  border: 0;
  border-top: 1px solid var(--color-border);
}

small {
  font-size: var(--font-size-small);
}

/* Prevent `sub` and `sup` elements from affecting the line height in all browsers. */
sub,
sup {
  font-size: var(--font-size-small);
  line-height: 0;
  position: relative;
  vertical-align: baseline;
}
sub {
  bottom: -0.2em;
}
sup {
  top: -0.4em;
}

address,
time {
  font-style: normal;
  color: var(--color-text-muted);
}
mark {
  background-color: yellow;
  color: var(--color-text);
  padding: 0 0.2em;
}
rt {
  font-size: 60%;
}
abbr[title] {
  border-bottom: 0;
  text-decoration: underline;
  text-decoration: underline dotted;
}
/* #endregion */

/* #region Embedded Content */
/* Add the correct display in iOS 4-7. */
audio:not([controls]) {
  display: none;
  height: 0;
}

img {
  max-width: 100%;
  vertical-align: middle;
  /* Remove the border on images inside links in IE 10-. */
  border-style: none;
}

audio,
video {
  max-width: 100%;
}

figcaption {
  color: var(--color-text-muted);
  font-size: var(--font-size-small);
}

table {
  /* Reset for nesting within parents with `background-color`. */
  background-color: var(--color-background);
  border: 0;
  border-collapse: collapse;
  border-spacing: 0;
  width: 100%;
}
table caption {
  caption-side: bottom;
  color: var(--color-text-muted);
  font-size: var(--font-size-small);
  padding: 5px 1rem;
  text-align: left;
}

table th,
table td {
  border: 0;
  border-bottom: 1px solid var(--color-border);
  padding: 5px 0.5rem;
  text-align: left;
}

table th {
  background-color: var(--color-background-faded);
  font-weight: var(--font-weight-bold);
}
/* #endregion */

/* #region Forms */
/**
  * iOS "clickable elements" fix for role="button"
  *
  * Fixes "clickability" issue (and more generally, the firing of events such as focus as well)
  * for traditionally non-focusable elements with role="button"
  * see https://developer.mozilla.org/en-US/docs/Web/Events/click#Safari_Mobile
  */
[role='button'] {
  cursor: pointer;
}

/* Avoid 300ms click delay on touch devices that support the `touch-action` CSS property. */
a,
area,
button,
[role='button'],
input,
label,
select,
summary,
textarea {
  touch-action: manipulation;
}

button,
  /* Prevent a WebKit bug where (*) destroys native `audio` and `video` controls in Android 4. */
  html [type=button],
  [type=reset],
  [type=submit],
  ::-webkit-file-upload-button {
  /* (*) Correct the inability to style clickable types in iOS and Safari. */
  appearance: button;
}

[type='search'] {
  /* Correct the odd appearance in Chrome and Safari. */
  appearance: none;
}

/* Change font properties to `inherit` in Safari. */
::-webkit-file-upload-button {
  font: inherit;
}

[hidden] {
  display: none;
}

fieldset {
  border: 1px solid var(--color-border);
  margin: 1rem 0 0;
  padding: 0 1rem 1rem;
}

legend {
  padding: 0 0.2em;
}

optgroup {
  color: var(--color-text-muted);
  font-style: normal;
  font-weight: normal;
}

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

progress {
  max-width: 100%;
}
/* #endregion */