manifest.json

{
  "name": "Zuperkülblog",
  "short_name": "Zuperkülblog",
  "icons": [{
      "src": "//app-layout-assets.appspot.com/assets/zuperkulblog/launcher-icon-128x128.png",
      "sizes": "128x128",
      "type": "image/png"
    }, {
      "src": "//app-layout-assets.appspot.com/assets/zuperkulblog/launcher-icon-192x192.png",
      "sizes": "192x192",
      "type": "image/png"
    },{
      "src": "//app-layout-assets.appspot.com/assets/zuperkulblog/launcher-icon-384x384.png",
      "sizes": "384x384",
      "type": "image/png"
    }],
  "start_url": "index.html",
  "background_color": "#fafafa",
  "display": "standalone",
  "theme_color": "#fafafa"
}