freeCodeCamp/docs/_theme.css

:root {
  --theme-color: #0a0a23;
  --theme-color-dark: #002ead;

  --text-color-base: #2e2e46;
  --text-color-secondary: #646473;
  --text-color-tertiary: #81818e;

  --line-height: 2rem;
  --bg-color: #ffffff;
  --size: 1.5rem;
}

body {
  font-size: 100%;
  line-height: 2em;
  color: var(--text-color);
}

* {
  text-decoration: none !important;
}

body .content {
  max-width: 80%;
  margin-left: auto;
  margin-right: auto;
}

/****** Nav ****/

.universal-nav {
  margin: 0;
  width: 100vw;
  height: 38px;
  background-color: var(--theme-color);
  position: fixed;
  top: 0;
  display: flex;
  justify-content: center;
  z-index: 100;
}

.universal-nav a.translations-link {
  color: var(--bg-color);
  position: fixed;
  right: 50px;
  line-height: 24px;
  font-size: 16px;
  margin: 6px 0;
  padding: 0;
}

.universal-nav img {
  margin: 7px 0;
  height: 24px;
}

.app-nav {
  visibility: hidden;
}

@media screen and (max-width: 768px) {
  .universal-nav a.translations-link {
    visibility: hidden;
  }

  body .content {
    max-width: 100%;
  }
}

/****** Cover Page ******/

section.cover {
  padding-bottom: 112px;
  height: auto;
  min-height: 100vh;
  background: var(--bg-color) !important;
  color: var(--theme-color);
}

section.cover .cover-main {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  margin: 0;
  padding: 32px 16px 0;
}

section.cover img {
  width: 400px;
}

section.cover h1 {
  margin: 0.625rem 0 1rem;
}

section.cover blockquote,
section.cover blockquote p {
  margin: 1.5em 0;
}

section.cover a {
  text-decoration: none;
  border-bottom: 0.01rem solid var(--theme-color);
  transition: all 0.3s ease;
}

section.cover a:hover {
  border-color: var(--theme-color-dark);
  color: var(--theme-color-dark);
}

section.cover a.anchor {
  border: none;
}

.cover-icon {
  margin-right: 0.75em;
}

section.cover ul {
  font-size: var(--size);
  line-height: var(--line-height);
  display: grid;
  text-align: left;
  grid-column-gap: 16px;
  grid-row-gap: 20px;
  list-style: none;
  max-width: unset;
  margin: 1.5em 0;
}

section.cover .cover-main > p:last-child a:last-child {
  font-size: var(--size);
  line-height: var(--line-height);
  background-color: var(--theme-color);
  color: var(--bg-color);
}

section.cover .cover-main > p:last-child a:last-child:hover {
  font-size: var(--size);
  line-height: var(--line-height);
  background-color: var(--theme-color-dark);
  color: var(--bg-color);
  opacity: 1;
}

section.cover.show ~ .sidebar,
section.cover.show ~ .sidebar-toggle {
  display: none;
}

@media (max-width: 850px) {
  section.cover ul {
    grid-template-columns: 100%;
    padding: 0;
  }

  section.cover ul li {
    text-align: center;
  }
}

@media (max-width: 450px) {
  section.cover ul li {
    white-space: normal;
  }

  .cover-main .buttons a {
    width: 100%;
    margin: 0.2rem 0;
  }
}

/****** Sidebar ******/

.sidebar ul li a:hover {
  color: var(--theme-color);
}

.sidebar .search .clear-button {
  cursor: pointer;
}

/****** Sidebar Toggle ******/

.sidebar-toggle,
.sidebar,
.content {
  margin-top: 38px;
}

.sidebar {
  padding: 0;
}

.sidebar-toggle {
  cursor: pointer;
}

body .sidebar-toggle {
  background: none;
  top: var(--size);
  left: calc(300px + 1.5rem);
  cursor: pointer;
  width: var(--size);
  height: var(--size);
  padding: 0;
  transition: left 0.25s ease-out;
}

body .sidebar-toggle span {
  background-color: var(--theme-color);
  height: 0.2rem;
  width: var(--size);
  position: absolute;
  left: 0;
  margin: 0;
  transform-origin: 0;
  border-radius: 1px;
}

body.close .sidebar-toggle {
  transition: left 0.25s ease-out;
  width: var(--size);
  height: var(--size);
  left: var(--size);
}

body.close .sidebar-toggle span {
  transform-origin: center;
}

body .sidebar-toggle span:nth-child(1) {
  top: 0;
}
body .sidebar-toggle span:nth-child(2) {
  top: 0.5rem;
}
body .sidebar-toggle span:nth-child(3) {
  top: 1rem;
}

.sidebar-toggle:hover {
  opacity: 0.8;
}
.sidebar-toggle .sidebar-toggle-button:hover {
  opacity: 1;
}

@media screen and (max-width: 768px) {
  body .sidebar-toggle {
    left: 1rem;
  }
  body.close .sidebar-toggle {
    left: calc(300px + 1.5rem);
  }
}

body.close .app-nav,
body.close .github-corner {
  display: block !important;
  text-align: center;
}

/****** Markdown General ******/

.markdown-section h1,
.markdown-section h2 {
  margin: 1em 0;
}

.markdown-section p {
  font-size: 18px;
  line-height: 28px;
}

.markdown-section code {
  background-color: #f8f8f8;
  color: #525252;
  padding: 0.05em 0.15em 0.15em;
  margin: 0.05em;
  font-size: 16px;
  line-height: 24px;
}

.markdown-section a {
  text-decoration: none;
  color: var(--theme-color);
  border-bottom: 0.1rem solid var(--theme-color);
}

.markdown-section a:hover {
  border-color: var(--theme-color-dark);
  color: var(--theme-color-dark);
}

.markdown-section a.anchor {
  border: none;
}

.markdown-section a > code,
.markdown-section a > strong > code {
  background-color: #f8f8f8;
  color: #525252;
  padding: 0.05em 0.15em 0;
  margin: 0.05em;
}

.markdown-section a > code:hover,
.markdown-section a > code:active,
.markdown-section a > strong > code:hover,
.markdown-section a > strong > code:active {
  background-color: #525252;
  color: #f8f8f8;
  padding: 0.05em 0.15em 0;
  margin: 0.05em;
}

.markdown-section em,
.markdown-section blockquote {
  color: var(--text-color-tertiary);
}

@media screen and (max-width: 768px) {
  .markdown-section {
    max-width: 90%;
    padding: 40px 15px;
  }
}

/****** CODE HIGHLIGHTING ******/

.token.string {
  color: #42b983;
}

.token.boolean,
.token.number {
  color: var(--theme-color);
}

.lang-bash .token.function,
.lang-json .token.property {
  color: #e96900;
}

/****** COPY TO CLIPBOARD ******/

.docsify-copy-code-button {
  font-size: 0.7em !important;
}

/****** Others ******/

.i18n-lang-list ul {
  height: 10em;
  font-size: larger;
  list-style: none;
  display: -webkit-flex;
  display: flex;
  -webkit-align-items: center;
  align-items: center;
  -webkit-justify-content: center;
  justify-content: center;
  -webkit-flex-flow: column wrap;
  flex-flow: column wrap;
  -webkit-align-content: stretch;
  align-content: stretch;
}

.i18n-lang-list li {
  text-align: left;
  width: 10em;
}