{
  "name": "Science books",
  "short_name": "Science",
  "start_url": "/",
  "display": "standalone",
  "background_color": "#1e2a4a",
  "theme_color": "#1e2a4a",
  "icons": [{ "src": "/icons/icon-180.png", "sizes": "180x180", "type": "image/png" }]
}