Examine source code of Amber Evening Light

{
  "theme": {
    "images": {
      "theme_frame": "AmberEveningLightHCustom.jpg"
    },
    "colors": {
      "frame": "#a18264",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Amber Evening Light",
  "manifest_version": 2,
  "description": "amber, beams, clouds, crow, evening, gold, mountains, ravens, sky, sun, trees, fall, winter, My wallpaper to match is at: <a href=\"https://outgoing.prod.mozaws.net/v1/62aa83f5ed5bcab873f67263c27c9d60fad431327dbb341f308914c377e34ed6/http%3A//nature.desktopnexus.com/wallpaper/996162/\" rel=\"nofollow\">http://nature.desktopnexus.com/wallpaper/996162/</a>"
}