---
root:
  items:
    - type: radial-gradient
      bounds: 50 40 20 20
      center: 10 10
      radius: 10 10
      stops: [0, red, 1, blue, 1, [0,0,0,0]]
    - type: radial-gradient
      bounds: 450 40 20 20
      center: 10 10
      radius: 10 10
      stops: [0, red, 1, blue, 1, [0,0,0,0]]
    - type: radial-gradient
      bounds: 450 340 20 20
      center: 10 10
      radius: 10 10
      stops: [0, red, 1, blue, 1, [0,0,0,0]]
    - type: radial-gradient
      bounds: 50 340 20 20
      center: 10 10
      radius: 10 10
      stops: [0, red, 1, blue, 1, [0,0,0,0]]