'Complete the axes adding axes-dependent plot props'

def close_axes(self, ax):

    if hasattr(ax, 'get_facecolor'):
        background_fill_color = convert_color(ax.get_facecolor())
    else:
        background_fill_color = convert_color(ax.get_axis_bgcolor())
    self.plot.background_fill_color = background_fill_color
    if self.xkcd:
        self.plot.title.text_font = 'Comic    Sans    MS,    Textile,    cursive'
        self.plot.title.text_font_style = 'bold'
        self.plot.title.text_color = 'black'
    self._axes = getattr(self, '_axes', [0])
    self._axes.append(len(self.plot.renderers))
