{
  "manifest_version": 2,
  "name": "Override examples",
  "version": "0.1",
  "chrome_url_overrides": {
      "newtab": "sites.html"
  },
  "permissions": [
      "topSites"
  ],
  "browser_specific_settings": {
      "gecko": {
          "strict_min_version": "54.0a1"
      }
  }
}