Examine source code of April Easter

{
  "theme": {
    "images": {
      "theme_frame": "AprilEasterHcopycopyCustom.jpg"
    },
    "colors": {
      "frame": "#99cc66",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "April Easter",
  "manifest_version": 2,
  "description": "baby, butterflies, chickens, chicks, daisies, Easter egg, egg, spring My wallpaper to match is at: <a href=\"https://outgoing.prod.mozaws.net/v1/8a75231ceba4eaaef2ae12f51992b129d3abd33d9f3bdd2dc5e58835e6a61b87/http%3A//abstract.desktopnexus.com/wallpaper/971990/\" rel=\"nofollow\">http://abstract.desktopnexus.com/wallpaper/971990/</a>"
}