    def rounded_padding_box(self):
        """Return the position, size and radii of the rounded padding box."""
        return self.rounded_box(
            self.border_top_width,
            self.border_right_width,
            self.border_bottom_width,
            self.border_left_width)
Return the position, size and radii of the rounded padding box.
weasyprint/formatting_structure/boxes.py