{
    "background_color": "#ffffff",
    "display": "standalone",
    "orientation": "portrait",
    "icons": [
        {
            "src": "android-chrome-256x256.png",
            "sizes": "256x256",
            "type": "image/png"
        },
        {
            "src": "android-chrome-512x512.png",
            "sizes": "512x512",
            "type": "image/png"
        },
        {
          "src": "favicon-16x16.png",
          "sizes": "32x32",
          "type": "image/png"
        },
        {
        "src": "favicon-32x32.png",
        "sizes": "32x32",
        "type": "image/png"
        }
        ]
 
 }