{
  "name": "Calculator",
  "short_name": "Calc",
  "start_url": "index.html",
  "scope": "./",
  "display": "standalone",
  "background_color": "#ffffff",
  "theme_color": "#ffffff",
  "icons": [
    {
      "src": "icon.png",
      "sizes": "292x292",
      "type": "image/png"
    },
    {
      "src": "data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='512' height='512'><rect width='100%25' height='100%25' fill='%23ffffff'/><text x='50%25' y='55%25' font-size='200' text-anchor='middle' fill='%23000000' font-family='Arial,Helvetica'>≣</text></svg>",
      "sizes": "512x512",
      "type": "image/svg+xml"
    },
    {
      "src": "data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='192' height='192'><rect width='100%25' height='100%25' fill='%23ffffff'/><text x='50%25' y='55%25' font-size='80' text-anchor='middle' fill='%23000000' font-family='Arial,Helvetica'>≣</text></svg>",
      "sizes": "192x192",
      "type": "image/svg+xml"
    }
  ]
}