Examine source code of Water World

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#fffcfc",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Water  World",
  "manifest_version": 2,
  "description": "Designed by MaDonna\n\nMy wallpaper to match is at: <a rel=\"nofollow\" href=\"https://outgoing.prod.mozaws.net/v1/1792904f986800c59e756ffebed4a6fe56f5d0cd3b25ee022cd233b0e2591503/http%3A//animals.desktopnexus.com/wallpaper/1551849/\">http://animals.desktopnexus.com/wallpaper/1551849/</a>"
}