def inner_horizontal_border(self):
        """
        The complete inner horizontal border section, including the left and right border verticals.

        Returns:
            str: The complete inner horizontal border.
        """
        return u"{lm}{lv}{hz}{rv}".format(lm=' ' * self.margins.left,
                                          lv=self.border_style.outer_vertical_inner_right,
                                          rv=self.border_style.outer_vertical_inner_left,
                                          hz=self.inner_horizontals())
The complete inner horizontal border section, including the left and right border verticals.

        Returns:
            str: The complete inner horizontal border.