Examine source code of Blue Star

{
  "theme": {
    "images": {
      "theme_frame": "BlueStar1.jpg"
    },
    "colors": {
      "frame": "#1118f0",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Blue Star",
  "manifest_version": 2,
  "description": "Personal \"Blue Star\" logo combined with the logo of the Classic Space Lego theme.\n\n<a rel=\"nofollow\" href=\"https://outgoing.prod.mozaws.net/v1/4d5b3aa9139086ddad5b30bb7d533129a311db85429f09c97d2920614323b14b/http%3A//www.flickr.com/photos/bluestarmedia/\">http://www.flickr.com/photos/bluestarmedia/</a>"
}