Examine source code of Bier.de - webgezapft

{
  "theme": {
    "images": {
      "theme_frame": "firefox-bier-head.jpg"
    },
    "colors": {
      "frame": "#ffffff",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Bier.de - webgezapft",
  "manifest_version": 2,
  "description": "Wir lieben Bier und treffen uns auf <a href=\"https://outgoing.prod.mozaws.net/v1/abc18a00662946ca90e70e4d06e60d2cea9c38e561de1c404bbbe1436627fa7f/http%3A//bier.de\" rel=\"nofollow\">bier.de</a>!"
}