---
root:
  items:
    - type: stacking-context
      bounds: [50, 50, 100, 100]
      transform: [10,0,0,0, 0,1,0,0, 0,0,1,0, 0,0,0,1]
      items:
        - type: border
          bounds: [ 5, 50, 20, 100 ]
          width: [ 10, 1, 10, 1 ]
          border-type: normal
          style: solid
          color: blue
          radius: {
            top-left: [5, 50],
            top-right: [5, 50],
            bottom-left: [5, 50],
            bottom-right: [5, 50],
          }