manifest.webmanifest

{
  "icons": [
    { "src": "img/favicon/192.png", "type": "image/png", "sizes": "192x192" },
    { "src": "img/favicon/512.png", "type": "image/png", "sizes": "512x512" }
  ],
  "background_color": "#e5e5e5",
  "theme_color": "#f7e296"
}