---
root:
  items:
        - type: stacking-context
          bounds: [0, 0, 600, 600]
          items:
            - type: box-shadow
              bounds: [ 40, 40, 400, 400 ]
              blur-radius: 0
              spread-radius: 20
              clip-mode: outset
              border-radius: 200
              color: black