manifest.json

{
  "name": "Polymer Day",
  "short_name": "Polymer Day",
  "description": "Polymer Day is the first event focused on Google's Polymer Library and App's Toolbox in Spain. We we dedicate one an a half days to talk about Web Components technology.",
  "start_url": "/?homescreen=1",
  "display": "standalone",
  "theme_color": "#2c5ea5",
  "background_color": "#FFFFFF",
  "icons": [
    {
      "src": "images/manifest/icon-192x192.png",
      "sizes": "192x192",
      "type": "image/png"
    },
    {
      "src": "images/manifest/icon-512x512.png",
      "sizes": "512x512",
      "type": "image/png"
    }
  ]
}