Examine source code of Koga SilverDragon

{
  "theme": {
    "images": {
      "theme_frame": "KogaPersonaHeader.png"
    },
    "colors": {
      "frame": "#ab8deb",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Koga SilverDragon",
  "manifest_version": 2,
  "description": "I made this one just for test and for use by myself =3\n\nDraw made by my dwaggie x3\n\n<a href=\"https://outgoing.prod.mozaws.net/v1/fb8b66efc0e434e24e4faf8fa749872aaac9e765c9a4540f8677140cdbbd3165/http%3A//lileth.deviantart.com\" rel=\"nofollow\">http://lileth.deviantart.com</a>"
}