Examine source code of Rose So Blue

{
  "theme": {
    "images": {
      "theme_frame": "blueroseHCustom.jpg"
    },
    "colors": {
      "frame": "#0000cc",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Rose So Blue",
  "manifest_version": 2,
  "description": "My wallpaper to match can be found at: <a rel=\"nofollow\" href=\"https://outgoing.prod.mozaws.net/v1/28240414d3edcc988830b0e5cfc3a79b182ddd2d1d482c765d3cc35176bb4879/http%3A//nature.desktopnexus.com/wallpaper/805527/\">http://nature.desktopnexus.com/wallpaper/805527/</a>"
}