Examine source code of BK Team Drift

{
  "theme": {
    "images": {
      "theme_frame": "GFD.png"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#e6ff00"
    }
  },
  "version": "2.0",
  "name": "BK Team Drift",
  "manifest_version": 2,
  "description": "<a href=\"https://outgoing.prod.mozaws.net/v1/6804f330bddc084b421b8109cd68715553da9b4dfb44c8a462c8fe0c1fc4a7d7/http%3A//bk-drift.driveboards.com/\" rel=\"nofollow\">http://bk-drift.driveboards.com/</a>"
}