Examine source code of Winters Blue Wave

{
  "theme": {
    "images": {
      "theme_frame": "WinterBlueWaveH.jpg"
    },
    "colors": {
      "frame": "#bdf4cb",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Winters Blue Wave",
  "manifest_version": 2,
  "description": "abstract, blue, Firefox Persona, green, snowflakes, wave, winter My wallpaper to match is at: <a href=\"https://outgoing.prod.mozaws.net/v1/60468c87035a0339a3628c4dcef68cc6b75457dd732161e7f445c80f36426a32/http%3A//abstract.desktopnexus.com/wallpaper/895193/\" rel=\"nofollow\">http://abstract.desktopnexus.com/wallpaper/895193/</a>"
}