{
  "layers": [
    {
      "name": "LayoutView #document",
      "bounds": [800, 600],
      "contentsOpaque": true,
      "backgroundColor": "#FFFFFF"
    },
    {
      "name": "LayoutBlockFlow DIV id='composited-box'",
      "position": [8, 8],
      "bounds": [100, 100],
      "contentsOpaque": true,
      "backfaceVisibility": "hidden",
      "backgroundColor": "#008000"
    }
  ]
}