Examine source code of Rainbow Halftone

{
  "theme": {
    "images": {
      "theme_frame": "yummybrowser.png"
    },
    "colors": {
      "frame": "#d88ffc",
      "tab_background_text": "#2d0947"
    }
  },
  "version": "2.0",
  "name": "Rainbow Halftone",
  "manifest_version": 2,
  "description": "A persona version of an artwork I did. <a href=\"https://outgoing.prod.mozaws.net/v1/a708f19bfda08024e4e54a54d4f53a38d9d1c9f9359ee2f8974157d037a68117/http%3A//ladyz0e.deviantart.com/art/Rainbow-Factory-138363908\" rel=\"nofollow\">http://ladyz0e.deviantart.com/art/Rainbow-Factory-138363908</a>"
}