Examine source code of ChristmasNight2013

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#eb6363"
    }
  },
  "version": "2.0",
  "name": "ChristmasNight2013",
  "manifest_version": 2,
  "description": "<a rel=\"nofollow\" href=\"https://outgoing.prod.mozaws.net/v1/41d464d1c4d4bf3b989cec1e70356f21d7b1bdf7f87bf3e0ab33c71f56b306a6/http%3A//www.thisismiti.blogspot.com\">www.thisismiti.blogspot.com</a>"
}