docs.css

body {
  border-top: solid .3rem var(--color-primary);
}

main {
  max-width: 45rem;
  padding: 1rem;
  margin: 2rem auto;
}

h1[id]:not(:first-child),
h2[id]:not(:first-child),
h3[id]:not(:first-child),
h4[id]:not(:first-child) {
  margin-top: 3rem;
}

h3[id],
h4[id] {
  color: var(--color-gray);
}

header {
  border-bottom: solid var(--component-border-width) var(--component-border-color);
  padding-bottom: var(--component-spacing);
  margin-bottom: var(--component-spacing-big);
}

footer {
  border-top: solid var(--component-border-width) var(--component-border-color);
  text-align: center;
  padding-top: var(--component-spacing-big);
  margin-top: var(--component-spacing-big);
}

/* Main headings and bookmark links */
h2[id] {
  border-bottom: solid var(--component-border-width) var(--component-border-color);
  padding-bottom: .25rem;
  margin-bottom: 1rem;
}

a.bookmark {
  width: 1em;
  text-align: right;
  color: var(--color-silver);
  margin-left: -1em;
  display: inline-block;
}

a.bookmark:hover {
  text-decoration: none;
}

@media (max-width: 45rem) {
  a.bookmark {
    width: auto;
    margin-left: 0;
  }
}

/* Column helpers */
.two-column {
  column-count: 2;
  column-gap: 1rem;
}

@media (max-width: 50rem) {
  .two-column {
    column-count: 1;
    column-gap: 0;
  }
}

/* Sizing examples */
.width-sizing-example {
  border: solid 1px var(--component-border-color);
  padding: 1rem;
  margin-bottom: 1rem;
}

.width-sizing-example div {
  background: var(--color-primary);
  color: white;
  text-align: center;
  padding: .25rem;
  margin-bottom: 1rem;
}

.width-sizing-example div:last-child {
  margin-bottom: 0;
}

.height-sizing-example {
  border: solid 1px var(--component-border-color);
  height: 15rem;
  padding: 1rem .5rem;
  margin-bottom: 1rem;
}

.height-sizing-example div {
  width: calc(25% - 1rem);
  float: left;
  background: var(--color-primary);
  color: white;
  text-align: center;
  padding: .25rem;
  margin: 0 .5rem;
}

/* Loader example */
.loader-example div {
  float: left;
  width: 6rem;
  height: 6rem;
  border: dashed 1px var(--component-border-color);
  margin-right: .5rem;
}

/* Tabs example */
.tabs-vertical-example {
  display: grid;
  grid-template-columns: 30% 70%;
}

.tabs-vertical-example .tabs-nav {
  padding-right: 2rem;
}

.tabs-vertical-example .tabs-nav a {
  display: block;
}