def element_style(attrs, style_def, parent_style):
 style = parent_style.copy()
 if ('class' in attrs):
  for css_class in attrs['class'].split():
   css_style = style_def[('.' + css_class)]
   style.update(css_style)
 if ('style' in attrs):
  immediate_style = dumb_property_dict(attrs['style'])
  style.update(immediate_style)
 return style

def element_style ( attrs , style_def , parent_style ) : style = parent_style . copy ( ) if ( 'class' in attrs ) : for css_class in attrs [ 'class' ] . split ( ) : css_style = style_def [ ( '.' + css_class ) ] style . update ( css_style ) if ( 'style' in attrs ) : immediate_style = dumb_property_dict ( attrs [ 'style' ] ) style . update ( immediate_style ) return style
returns a hash of the final style attributes of the element .