---
root:
  items:
    - type: stacking-context
      items:
        - type: border
          bounds: [ 10, 10, 100, 20 ]
          width: 1
          border-type: normal
          style: solid
          color: red
        - type: border
          bounds: [ 12, 12, 96, 16 ]
          width: 1
          border-type: normal
          style: solid
          color: red