index.css

:root {
  --content: 760px;
  --container: 1440px;
  --gutter: 1rem;
  --radius: 0.4rem
}

* {
  box-sizing: border-box;
}

body {
  background-color: var(--gray-900);
  color: var(--white);
  font-family: sans-serif;
}

header {
  height: 64px;
  overflow: hidden;
  justify-content: space-between;
  margin: 0 auto;
  background-color: var(--white);
  color: var(--black);
}

header ul {
  grid-gap: 1.6rem;
  gap: 1.6rem;
}

header .container {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

ol, ul {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  grid-gap: 0.5rem;
  gap: 0.5rem;
}

a[href]::after {
  bottom: 0;
}

p {
  margin: 1rem 0;
}

nav a[href] {
  color: inherit;
}

header img {
  height: 42px;
}

#body {
  height: calc(100vh - 64px);
  overflow: auto;
}

main, article, section, footer {
  position: relative;
  margin-top: 4rem;
}

.container {
  max-width: var(--container);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
  width: 100%;
}

.gutter {
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

.content {
  max-width: var(--content);
  width: 100%;
}

table {
  width: 100%;
  border: 1px solid var(--gray-100);
  border-collapse: collapse;
  border-radius: var(--radius);
}

.table-version {
  width: 5rem;
}

th, td {
  border: 1px solid var(--gray-600);
  padding: 0.5rem;
}

h1, h2, h3 {
  margin: 4rem 0 1rem;
}

pre {
  background-color: var(--gray-600);
  border-radius: var(--radius);
  padding: 1rem;
  margin: 1rem 0 2rem;
  height: fit-content;
  text-align: left;
  display: flex;
  overflow: auto;
}

code {
  padding: 0;
  text-align: left;
  width: fit-content;
}

footer {
  padding: 2rem 1rem 1.2rem;
  background-color: var(--gray-700);
}

footer .container {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: repeat(2, auto);
  grid-gap: 1rem;
  gap: 1rem;
}

footer a[href] {
  color: var(--white);
}

footer p {
  margin: 0;
}

footer h2 {
  margin: 0;
}

.footer-hero {
  padding-top: 1.2rem;
  border-top: 1px solid var(--gray-400);
  grid-column-start: 1;
  grid-column-end: -1;
  display: flex;
  justify-content: space-between;
  align-items: center;
}