{
  "name": "Open House Sign-In",
  "short_name": "Open House",
  "display": "fullscreen",
  "orientation": "any",
  "background_color": "#1C1C1E",
  "theme_color": "#1C1C1E",
  "start_url": "/",
  "icons": [
    { "src": "/ag-mark.png", "sizes": "180x180", "type": "image/png" },
    { "src": "/ag-mark-512.png", "sizes": "512x512", "type": "image/png" }
  ]
}