{
  "version": 8,
  "name": "simple-polygon-transparent",
  "layers": [
    {
      "id": "polygon-transparent",
      "type": "fill",
      "paint": {
        "fill-outline-color": "#FFFFFF",
        "fill-color": "#000080",
        "fill-opacity": 0.5
      }
    }
  ]
}