{
  "layers": [
    {
      "name": "Scrolling Contents Layer",
      "bounds": [1200, 900],
      "contentsOpaque": true,
      "backgroundColor": "#0000FF"
    },
    {
      "name": "LayoutNGBlockFlow HTML",
      "bounds": [1200, 900]
    },
    {
      "name": "LayoutNGBlockFlow (positioned) DIV id='underbody'",
      "bounds": [300, 300],
      "contentsOpaque": true,
      "backgroundColor": "#008000",
      "transform": 1
    },
    {
      "name": "LayoutNGBlockFlow HTML (foreground) Layer",
      "bounds": [1200, 900]
    }
  ],
  "transforms": [
    {
      "id": 1,
      "transform": [
        [1, 0, 0, 0],
        [0, 1, 0, 0],
        [0, 0, 1, 0],
        [12, 12, 0, 1]
      ]
    }
  ]
}