code: public static function label($content, $options = [])
      {
          $tag = ArrayHelper::remove($options, 'tag', 'div');
          Ui::addCssClasses($options, ['ui', 'label']);
          return Ui::tag($tag, $content, $options);
      }
docs: Renders a [label](http://semantic-ui.com/elements/label.html)
  
  @param string $content the label content
  @param array $options the tag options in terms of name-value pairs
  
  @return string the generated label tag