Examine source code of Trees One

{
  "theme": {
    "images": {
      "theme_frame": "TreesH.jpg"
    },
    "colors": {
      "frame": "#030303",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Trees One",
  "manifest_version": 2,
  "description": "trees just beginning to change color. fall, autumn, summer, seasons, leaves, My wallpaper to match can be found at: <a href=\"https://outgoing.prod.mozaws.net/v1/978acece9bba0d71324e7cc04395ca9b876931a33fb80eda076d172e64be3496/http%3A//nature.desktopnexus.com/wallpaper/766726/\" rel=\"nofollow\">http://nature.desktopnexus.com/wallpaper/766726/</a>"
}