---
root:
  items:
    - type: rect
      color: red
      bounds: 0 0 200 200
    - image: checkerboard(2,14,14,14,14)
      bounds: 0 0 200 200
    - type: stacking-context
      transform: rotate(45)
      transform-origin: 100 100
      filters: identity
      wraps-backdrop-filter: true
      items:
        - type: backdrop-filter
          bounds: 50 50 100 100
          filters: invert(1)