{
    "name": "Bubble level",
    "short_name": "Bubble level",
    "start_url": "/",
    "display": "standalone",
    "orientation" : "portrait",
    "background_color": "#600310",
    "theme_color": "#600310",
    "icons": [
        {
          "src": "icon.png",
          "type": "image/png",
          "sizes": "192x192"
        },
        {
          "src": "backdrop.jpg",
          "type": "image/jpg",
          "sizes": "512x512"
        }
    ]
}