{ "background_color": "#ffffff", "theme_color": "#333333", "name": "Buttons the Computer", "short_name": "Buttons", "display": "minimal-ui", "start_url": "/", "icons": [ { "src": "/android-chrome-192x192.png", "sizes": "192x192", "type": "image/png" }, { "src": "/android-chrome-256x256.png", "sizes": "256x256", "type": "image/png" } ] }