zed/docs/theme/page-toc.css

@media only screen and (max-width: 1674px) {
  .sidetoc {
    display: none;
  }
}

@media only screen and (min-width: 1675px) {
  main {
    position: relative;
  }
  .sidetoc {
    margin-left: auto;
    margin-right: auto;
    left: calc(100% + (var(--content-max-width)) / 3 - 160px);
    position: absolute;
  }
  .pagetoc {
    position: fixed;
    top: 64px;
    width: 220px;
    height: calc(100vh - var(--menu-bar-height) - 0.67em * 4);
    padding-top: 80px;
    margin-right: 16px;
    padding-bottom: 40px;
    overflow: auto;
  }
  .pagetoc > :last-child {
    margin-bottom: 64px;
  }
  .pagetoc a {
    width: fit-content;
    font-size: 1.4rem;
    border-left: 1px solid var(--sidebar-bg);
    color: var(--fg) !important;
    display: block;
    padding: 2px;
    margin: 8px 0 8px 12px;
    text-align: left;
    text-decoration: underline;
    text-decoration-color: hsl(0, 0%, 0%, 0.1);
  }
  .pagetoc a:hover {
    text-decoration-color: hsl(0, 0%, 0%, 0.5);
  }
  .pagetoc a.active {
    background-color: var(--sidebar-active-bg);
    color: var(--sidebar-active) !important;
    text-decoration-color: hsl(219, 93%, 42%, 0.1);
  }
  .pagetoc a.active:hover {
    text-decoration-color: hsl(219, 93%, 42%, 0.8);
  }
  .pagetoc .active {
    background: var(--sidebar-bg);
    color: var(--sidebar-fg);
  }
  .pagetoc .pagetoc-H1 {
    display: none;
  }
  .pagetoc .pagetoc-H3 {
    margin-left: 24px;
  }
  .pagetoc .pagetoc-H4 {
    margin-left: 42px;
  }
  .pagetoc .pagetoc-H5 {
    display: none;
  }
  .pagetoc .pagetoc-H6 {
    display: none;
  }
  .toc-title {
    margin: 0;
    margin-bottom: 12px;
    padding-left: 12px;
    font-size: 1.4rem;
    color: var(--full-contrast);
  }
}