Examine source code of Remember Orange

{
  "theme": {
    "images": {
      "theme_frame": "RememberOrangeHCustom.jpg"
    },
    "colors": {
      "frame": "#ff9331",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Remember Orange",
  "manifest_version": 2,
  "description": "fall, autumn, summer, flower, Gerbera, butterfly, gold, swirls, stars, bright, glow, silk, ribbon, My wallpaper to match is at: <a href=\"https://outgoing.prod.mozaws.net/v1/c13cbcfd6fc7027f2169d08ef8aae63ef2ead0f364b1f6a580d59acb248c0a52/http%3A//nature.desktopnexus.com/wallpaper/846715/\" rel=\"nofollow\">http://nature.desktopnexus.com/wallpaper/846715/</a>"
}