Examine source code of Moon Falls

{
  "theme": {
    "images": {
      "theme_frame": "WhatIfcopyCustom.jpg"
    },
    "colors": {
      "frame": "#0099ff",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Moon Falls",
  "manifest_version": 2,
  "description": "full moon, waterfalls, mist, blue, abyss, fantasy, reflect, water. My wallpaper to match is at: <a href=\"https://outgoing.prod.mozaws.net/v1/cd2dae70185161504982a882cc31483f5f350c413f9bb71beaed2d3605b25c98/http%3A//space.desktopnexus.com/wallpaper/840522/\" rel=\"nofollow\">http://space.desktopnexus.com/wallpaper/840522/</a>"
}