{
  "name": "Mars",
  "short_name": "Mars",
  "start_url": "default.php",
  "display": "standalone",
  "theme_color": "#B7410E",
  "background_color": "#000000",
  "icons": [
    {
      "src": "images/icon.png",
      "type": "image/png",
      "sizes": "192x192",
      "purpose": "maskable any"
    },
    {
      "src": "images/icon-512.png",
      "type": "image/png",
      "sizes": "512x512",
      "purpose": "maskable any"
    }
  ]
}