Examine source code of Summers Blue

{
  "theme": {
    "images": {
      "theme_frame": "summerbluesH.jpg"
    },
    "colors": {
      "frame": "#a8b7db",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Summers Blue",
  "manifest_version": 2,
  "description": "Designed by MaDonna\n\nThe desktop wallpaper  I made to match is at: <a rel=\"nofollow\" href=\"https://outgoing.prod.mozaws.net/v1/c8a815fdb71d3593259627a58fc391d18c705246ad5c7e75b576f1654c645a2c/http%3A//nature.desktopnexus.com/wallpaper/577941/\">http://nature.desktopnexus.com/wallpaper/577941/</a>"
}