docs: def has_style(node):    
      """Tells us if node element has defined styling.
  
      :Args:
        - node (:class:`ooxml.doc.Element`): Element
  
      :Returns:
        True or False
  
      """
  
      elements = ['b', 'i', 'u', 'strike', 'color', 'jc', 'sz', 'ind', 'superscript', 'subscript', 'small_caps']
  
      return any([True for elem in elements if elem in node.rpr])