Examine source code of Appa and Aang

{
  "theme": {
    "images": {
      "theme_frame": "personaheader.jpg"
    },
    "colors": {
      "frame": "#5cb3e6",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Appa and Aang",
  "manifest_version": 2,
  "description": "Image by\n<a href=\"https://outgoing.prod.mozaws.net/v1/243a2fba2b246a0aef75face4732c80ac099940560e9dcbddd2359c8c3dbe5c2/http%3A//heartlesslink.deviantart.com/\" rel=\"nofollow\">http://heartlesslink.deviantart.com/</a>"
}