Examine source code of Scaredy Crow

{
  "theme": {
    "images": {
      "theme_frame": "Persona1.jpg"
    },
    "colors": {
      "frame": "#ffffff",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Scaredy Crow",
  "manifest_version": 2,
  "description": "<a href=\"https://outgoing.prod.mozaws.net/v1/88774cb3d6a42ea28d58f57173627a0bb52d52cd8b5b22c04bc1f2b114425c0c/http%3A//scaredycrow.bandcamp.com/\" rel=\"nofollow\">http://scaredycrow.bandcamp.com/</a>"
}