gitlab-org--gitlab-foss/app/assets/stylesheets/framework/gfm.scss

/**
 * Styles that apply to all GFM related forms.
 */

.gfm-commit,
.gfm-commit_range {
  @extend .commit-sha;
}

.gfm-project_member {
  padding: 0 2px;
  border-radius: #{$border-radius-default / 2};
  background-color: $user-mention-bg;

  &:hover {
    background-color: $user-mention-bg-hover;
  }
}

.gfm-color_chip {
  display: inline-block;
  margin: 0 0 2px 4px;
  vertical-align: middle;
  border-radius: 3px;

  $chip-size: 0.9em;
  $bg-size: $chip-size / 0.9;
  $bg-pos: $bg-size / 2;

  width: $chip-size;
  height: $chip-size;
  background: $white-light;
  background-image: linear-gradient(135deg, $gray-dark 25%, transparent 0%, transparent 75%, $gray-dark 0%),
                    linear-gradient(135deg, $gray-dark 25%, transparent 0%, transparent 75%, $gray-dark 0%);
  background-size: $bg-size $bg-size;
  background-position: 0 0, $bg-pos $bg-pos;

  > span {
    display: inline-block;
    width: 100%;
    height: 100%;
    margin-bottom: 2px;
    border-radius: 3px;
    border: 1px solid $black-transparent;
  }
}