{
  "start_url": "/?con=micon",
  "display": "standalone",
  "theme_color": "#D1E4F5",
  "background_color": "#FFFFFF",
  "icons": [
    { "src": "/_img/icon_192x192.png", "sizes": "192x192", "type": "image/png", "purpose": "any" },
    { "src": "/_img/icon_512x512.png", "sizes": "512x512", "type": "image/png", "purpose": "any" }
  ]
}