zola/docs/sass/_docs.scss

.documentation {
  padding: 3rem;
  display: flex;

  &__sidebar {
    margin-right: 2rem;

    ul {
      padding-left: 0;
      list-style: none;
    }

    > ul {
      > li {
        margin-bottom: 1rem;
      }

      .documentation__sidebar__title {
        font-size: 1.25rem;
        font-weight: bold;
      }

      ul {
        margin-top: 0.25rem;

        li {
          border-left: 1px solid $background;
          padding-left: 0.75rem;
          padding-top: 0.25rem;
          padding-bottom: 0.25rem;
        }

        li.active a {
          font-weight: bold;
          border-bottom: 1px solid $background;
        }
      }
    }

    a {
      color: $background;
      padding-bottom: 2px;
      border-bottom: 1px solid rgba(25, 25, 25, 0.25);
      text-decoration: none;

      &:hover {
        border-bottom: 1px solid $background;
      }
    }
  }

  &__content {
    width: 60%;
    // Same as the anchor absolute left to not overlap
    margin-left: 2rem;

    h1, h2, h3, h4, h5, h6 {
      .gutenberg-anchor {
        font-size: 1.25rem;
        visibility: hidden;
        margin-left: -2rem;
        text-decoration: none;
        border-bottom-color: transparent;
        cursor: pointer;
      }

      &:hover {
        .gutenberg-anchor {
          visibility: visible;
        }
      }
    }

    a {
      color: $background;
      padding-bottom: 2px;
      border-bottom: 1px solid $background;
      cursor: pointer;

      &:hover {
        text-decoration: none;
      }

      &:visited {
        color: $background;
      }
    }
  }


  iframe {
    width: 100%;
    min-height: 400px;
  }
}