---
root:
  items:
    - type: border
      bounds: [ 0, 0, 200, 200 ]
      width: 30
      border-type: gradient
      start: [ 0, 200 ]
      end: [ 200, 0 ]
      stops: [ 0.0, red, 0.177, red, 0.177, yellow, 0.50, yellow, 0.50, red ]
      slice: [ 50 ]