Examine source code of Sunset Dock

{
  "theme": {
    "images": {
      "theme_frame": "sunsetdockH.jpg"
    },
    "colors": {
      "frame": "#f2f2a9",
      "tab_background_text": "#030303"
    }
  },
  "version": "2.0",
  "name": "Sunset Dock",
  "manifest_version": 2,
  "description": "sky, ocean, water, island, sunset, reflection, gold, bright, morning, evening, dock, boating, green, gold, My matching wallpaper can be found at: <a href=\"https://outgoing.prod.mozaws.net/v1/8c485f6972a02dc382db77e75bb1cb9a44540a3a5e8eb201b38353b101058448/http%3A//nature.desktopnexus.com/wallpaper/726537/\" rel=\"nofollow\">http://nature.desktopnexus.com/wallpaper/726537/</a>"
}