---
root:
  items:
    - type: stacking-context
      bounds: [-130, -94, 510, 510]
      filters: drop-shadow([40, 40], 10, red)
      items:
        - type: stacking-context
          bounds: [10, 10, 200, 200]
          items:
            - type: rect
              bounds: [10, 10, 100, 100]
              color: [127, 127, 127, 1]
            - type: rect
              bounds: [50, 30, 100, 60]
              color: [192, 192, 192, 1]
