---
root:
  items:
    - type: stacking-context
      bounds: [0, 0, 1000, 1000]
      items:
        - type: box-shadow
          bounds: [ 100, 100, 200, 10 ]
          blur-radius: 10.5
          offset: [15, 15]
          spread-radius: -15
          color: red
