footnotes.scss

// stylelint-disable selector-max-type
// stylelint-disable selector-max-compound-selectors

.markdown-body {
  [data-footnote-ref] {
    &::before {
      content: '[';
    }

    &::after {
      content: ']';
    }
  }

  .footnotes {
    // stylelint-disable-next-line primer/typography
    font-size: $h6-size;
    color: var(--fgColor-muted, var(--color-fg-muted));
    // stylelint-disable-next-line primer/borders, primer/colors
    border-top: $border;

    ol {
      padding-left: var(--base-size-16);

      ul {
        display: inline-block;
        padding-left: var(--base-size-16);
        margin-top: var(--base-size-16);
      }
    }

    li {
      position: relative;
    }

    li:target::before {
      position: absolute;
      top: calc(var(--base-size-8) * -1);
      right: calc(var(--base-size-8) * -1);
      bottom: calc(var(--base-size-8) * -1);
      left: calc(var(--base-size-24) * -1);
      pointer-events: none;
      content: '';
      // stylelint-disable-next-line primer/borders, primer/colors, declaration-property-value-no-unknown
      border: 2px $border-style var(--borderColor-accent-emphasis, var(--color-accent-emphasis));
      // stylelint-disable-next-line primer/borders
      border-radius: $border-radius;
    }

    li:target {
      color: var(--fgColor-default, var(--color-fg-default));
    }

    .data-footnote-backref g-emoji {
      // stylelint-disable-next-line primer/typography
      font-family: monospace;
    }
  }
}