{
  "short_name": "My Account 5.0",
  "name": "My Account 5.0",
  "icons": [
    {
      "src": "assets/images/citrus192.png",
      "type": "image/png",
      "sizes": "192x192"
    },
    {
      "src": "assets/images/citrus512.png",
      "type": "image/png",
      "sizes": "512x512"
    }
  ],
  // Correct
  "start_url": "index.php",
  "background_color": "#55AAFF",
  "display": "standalone",
  "theme_color": "#55AAFF"
}