/**
  * Return short name of current class (e.g. for CSS)
  * @return string
  */
 public function getStepClass()
 {
     $strClass = get_parent_class($this);
     $strClass = substr($strClass, strrpos($strClass, '\\') + 1);
     return parent::getStepClass() . ' ' . standardize($strClass);
 }