Examine source code of Doves in Blue

{
  "theme": {
    "images": {
      "theme_frame": "DovesinBlue.jpg"
    },
    "colors": {
      "frame": "#afbef0",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Doves in Blue",
  "manifest_version": 2,
  "description": "pair of doves, cage, flowers, roses, leaves, ribbons, blue, love, romance, My wallpaper to match can be found at: <a href=\"https://outgoing.prod.mozaws.net/v1/53bb15a39ca538e8fb57e87c010d16d0a5945343ac10067cec5dc4652f94c826/http%3A//nature.desktopnexus.com/wallpaper/746922/\" rel=\"nofollow\">http://nature.desktopnexus.com/wallpaper/746922/</a>"
}