Examine source code of Windows 7 Ultimate v.1

{
  "theme": {
    "images": {
      "theme_frame": "Header.jpg"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#fcfcfc"
    }
  },
  "version": "2.0",
  "name": "Windows 7 Ultimate v.1",
  "manifest_version": 2,
  "description": "Matching Wallpaper <a href=\"https://outgoing.prod.mozaws.net/v1/2a0278520b6419a6759562269fdecc8e008478ec7e5d725e56a233e6058f6c95/http%3A//sinine88.deviantart.com/art/Win7-176599748\" rel=\"nofollow\">http://sinine88.deviantart.com/art/Win7-176599748</a>"
}