---
root:
  items:
    - type: stacking-context
      bounds: [0, 0, 600, 600]
      perspective: 20
      items:
        - type: stacking-context
          transform: rotate-z(-45) rotate-x(-45)
          filters: drop-shadow([0, 0], 10000, blue)
          items:
            - type: rect
              bounds: [0, 0, 20000, 100]
              color: green