debian-mirror-gitlab/app/assets/stylesheets/pages/profiles/preferences.scss

.application-theme {
  $ui-gray-bg: #303030;
  $ui-light-gray-bg: #f0f0f0;
  $ui-dark-mode-bg: #1f1f1f;

  .preview {
    font-size: 0;
    height: 48px;
    border-radius: 4px;
    min-width: 112px;
    margin-bottom: $gl-padding-8;

    &.ui-indigo {
      background-color: $indigo-900;
    }

    &.ui-light-indigo {
      background-color: $indigo-700;
    }

    &.ui-blue {
      background-color: $theme-blue-900;
    }

    &.ui-light-blue {
      background-color: $theme-light-blue-700;
    }

    &.ui-green {
      background-color: $theme-green-900;
    }

    &.ui-light-green {
      background-color: $theme-light-green-700;
    }

    &.ui-red {
      background-color: $theme-red-900;
    }

    &.ui-light-red {
      background-color: $theme-light-red-700;
    }

    &.ui-gray {
      background-color: $ui-gray-bg;
      border: solid 1px $border-color;
    }

    &.ui-light-gray {
      background-color: $ui-light-gray-bg;
    }

    &.gl-dark {
      background-color: $ui-dark-mode-bg;
      border: solid 1px $border-color;
    }
  }

  .preview-row {
    display: block;
  }
}

.syntax-theme {
  label {
    margin-right: $gl-padding-32;
    margin-bottom: $gl-padding;
    text-align: center;

    .preview {
      margin-bottom: 10px;
      width: 160px;

      img {
        border-radius: 4px;
        max-width: 100%;
      }
    }
  }
}