---
root:
  items:
    - type: stacking-context
      bounds: [0, 0, 1000, 1000]
      items:
        - type: box-shadow
          bounds: [ 0, 1, 265, 265 ]
          color: red
          clip-mode: outset
          offset: 350 -1
          blur-radius: 1
          spread-radius: -80
          border-radius:
            top-left: [185, 185]
            top-right: [0, 0]
            bottom-left: [0, 0]
            bottom-right: [185, 185]