atom-text-editor, :host {
  .gutter {
    .line-number.linter-warning .icon-right:before {
      color: @syntax-color-modified;
    }
    .line-number.linter-error .icon-right:before {
      color: @syntax-color-removed;
    }
  }
  .highlights {
    .linter-warning .region {
      border: 1px solid @syntax-color-modified;
      background-image: none;
      background-color: fade(saturate(@syntax-color-modified, 50%), 20%);
    }
    .linter-error .region {
      border: 1px solid @syntax-color-removed;
      background-image: none;
      background-color: fade(saturate(@syntax-color-removed, 50%), 20%);
    }
  }
}
