{ "name": "bg_perspective", "short_name": "bg_perspective", "start_url": "/", "display": "standalone",
  "background_color": "#2a1c13", "theme_color": "#2a1c13",
  "icons": [ { "src": "/icon-192.png", "sizes": "192x192", "type": "image/png" }, { "src": "/icon-512.png", "sizes": "512x512", "type": "image/png" } ] }