Examine source code of Spring Green Two

{
  "theme": {
    "images": {
      "theme_frame": "SpringGreen2.jpg"
    },
    "colors": {
      "frame": "#204501",
      "tab_background_text": "#225705"
    }
  },
  "version": "2.0",
  "name": "Spring Green Two",
  "manifest_version": 2,
  "description": "spring, summer, leaves, simple, My desktop wallpaper that matches can be found at: <a href=\"https://outgoing.prod.mozaws.net/v1/3f7140249284dcd6fe40828a6f8ff20b1df149866aa591dfc44214edb77c355d/http%3A//nature.desktopnexus.com/wallpaper/606130/\" rel=\"nofollow\">http://nature.desktopnexus.com/wallpaper/606130/</a>"
}