    def rounded_content_box(self):
        """Return the position, size and radii of the rounded content box."""
        return self.rounded_box(
            self.border_top_width + self.padding_top,
            self.border_right_width + self.padding_right,
            self.border_bottom_width + self.padding_bottom,
            self.border_left_width + self.padding_left)
Return the position, size and radii of the rounded content box.
weasyprint/formatting_structure/boxes.py