---
root:
  items:
    # top left
    - type: radial-gradient
      bounds: 50 50 200 200
      center: 100 100
      radius: 100 100
      stops: [0, red, 1, blue]
    # top right
    - type: radial-gradient
      bounds: 350 50 100 200
      center: 100 100
      radius: 100 100
      stops: [0, red, 1, blue]
    # bottom left
    - type: radial-gradient
      bounds: 50 350 200 100
      center: 100 100
      radius: 100 100
      stops: [0, red, 1, blue]
    # bottom right
    - type: radial-gradient
      bounds: 350 350 100 100
      center: 100 100
      radius: 100 100
      stops: [0, red, 1, blue]