{
  "name": "Calculator",
  "short_name": "Calc",
  "start_url": "/index.html",
  "display": "standalone",
  "display_override": ["window-controls-overlay"],
  "theme_color": "#222222",
  "background_color": "#222222",
  "icons": [
    { "src": "icon-192x192.png", "sizes": "192x192", "type": "image/png" }
    
  ]
}