Examine source code of O Christmas Tree

{
  "theme": {
    "images": {
      "theme_frame": "header5.jpg"
    },
    "colors": {
      "frame": "#ffffff",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "O Christmas Tree",
  "manifest_version": 2,
  "description": "<a href=\"https://outgoing.prod.mozaws.net/v1/742a4833a7d858a9036b73ac4cc7d15cdd4ad9503bdd6aeb7b2d6f3ce8cde40c/http%3A//izaindesigns.blogspot.com/\" rel=\"nofollow\">http://izaindesigns.blogspot.com/</a>"
}