Examine source code of Think FAST

{
  "theme": {
    "images": {
      "theme_frame": "Untitled4huethinkfast.jpg"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Think FAST",
  "manifest_version": 2,
  "description": "<a href=\"https://outgoing.prod.mozaws.net/v1/73b6d7eaa1b3e0d12eb8beb1aabecdf2c5e55afd2365a80d62991c448e19b8c8/http%3A//www.superbwallpapers.com/abstract/tread-marks-2696/\" rel=\"nofollow\">http://www.superbwallpapers.com/abstract/tread-marks-2696/</a> Fast and Furious Speed Abstract tread marks paint splash art digital 3d"
}