---
root:
  items:
    - type: stacking-context
      bounds: [0, 0, 500, 500]
      items:
        - type: border
          bounds: [ 0, 0, 400, 400 ]
          width: [ 200, 200, 200, 200 ]
          border-type: normal
          style: solid
          color: [ green, green, transparent, transparent ]
          do_aa: false
        - type: border
          bounds: [ 0, 0, 400, 400 ]
          width: [ 200, 200, 200, 200 ]
          border-type: normal
          style: solid
          color: [ transparent, transparent, green, green ]
          do_aa: false