{
  "layers": [
    {
      "name": "Scrolling background of LayoutView #document",
      "bounds": [800, 600],
      "contentsOpaque": true,
      "backgroundColor": "#FFFFFF"
    },
    {
      "name": "LayoutBlockFlow (positioned) DIV id='composited-box'",
      "position": [30, 30],
      "bounds": [20, 70],
      "contentsOpaque": true,
      "backgroundColor": "#008000",
      "invalidations": [
        [0, 0, 20, 70]
      ],
      "transform": 1
    },
    {
      "name": "LayoutBlockFlow DIV class='composited child'",
      "bounds": [50, 50],
      "contentsOpaque": true,
      "backgroundColor": "#008000",
      "transform": 2
    }
  ],
  "transforms": [
    {
      "id": 1,
      "transform": [
        [1, 0, 0, 0],
        [0, 1, 0, 0],
        [0, 0, 1, 0],
        [8, 8, 0, 1]
      ]
    },
    {
      "id": 2,
      "parent": 1,
      "transform": [
        [1, 0, 0, 0],
        [0, 1, 0, 0],
        [0, 0, 1, 0],
        [0, 50, 0, 1]
      ]
    }
  ]
}