---
root:
  items:
    -
      bounds: [0, 0, 100, 100]
      type: rect
      color: [255, 255, 255]
    - type: stacking-context
      blend-container: true
      items:
      -
        bounds: [0, 0, 100, 100]
        type: stacking-context
        mix-blend-mode: difference
        items:
          -
            bounds: [0, 0, 100, 100]
            type: rect
            color: [255, 255, 255]
          - type: stacking-context
            blend-container: true
            items:
              -
                bounds: [0, 0, 100, 100]
                type: stacking-context
                mix-blend-mode: difference
                items:
                  -
                    bounds: [0, 0, 100, 100]
                    type: rect
                    color: [0, 255, 0]