Examine source code of Summer Green

{
  "theme": {
    "images": {
      "theme_frame": "SummerGreenH3Custom.jpg"
    },
    "colors": {
      "frame": "#006633",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Summer  Green",
  "manifest_version": 2,
  "description": "branch, bright, flare, fresh, green, leaves, limb, new, shine, spring, summer, tree, wood, rain, glow, light\n\nDesigned by MaDonna\n\nMy wallpaper to match is at: <a href=\"https://outgoing.prod.mozaws.net/v1/416f20b515917bfd7e936e99f906861f45977ed563b65ca9456080affc2547ac/http%3A//nature.desktopnexus.com/wallpaper/1070548/\" rel=\"nofollow\">http://nature.desktopnexus.com/wallpaper/1070548/</a>"
}