---
root:
  items:
    - type: stacking-context
      blend-container: true
      items:
        - type: rect
          bounds: [0, 0, 128, 128]
          color: magenta
        - type: stacking-context
          mix-blend-mode: lighten
          items:
            - image: checkerboard(0, 16, 16, 8, 8)
              bounds: [0, 0, 128, 128]