Examine source code of Blues Time

{
  "theme": {
    "images": {
      "theme_frame": "BluesTimeHCustom.jpg"
    },
    "colors": {
      "frame": "#ffcc99",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Blues Time",
  "manifest_version": 2,
  "description": "parchment, clock, time, Daylight Savings Time, flowers, blue, leaves, vine, My wallpaper to match is at: <a href=\"https://outgoing.prod.mozaws.net/v1/4f8e2a2a60ee3b8971ee818389311330440337769ee63b9f386a177b0c52cb28/http%3A//nature.desktopnexus.com/wallpaper/846688/\" rel=\"nofollow\">http://nature.desktopnexus.com/wallpaper/846688/</a>"
}