Examine source code of Bright Seasons

{
  "theme": {
    "images": {
      "theme_frame": "Seasons2H.jpg"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Bright Seasons",
  "manifest_version": 2,
  "description": "fall, autumn, winter, spring, summer, flowers, snow, leaves, trees, apple blossoms, seasons, tiles, windows, bright. \n\nDesigned by MaDonna\n\nMy wallpaper to match is at: <a href=\"https://outgoing.prod.mozaws.net/v1/38fddf7a5e970f3b5a120db48db35fba53d4d420a20372f38c98f800863f5478/http%3A//nature.desktopnexus.com/wallpaper/841785/\" rel=\"nofollow\">http://nature.desktopnexus.com/wallpaper/841785/</a>"
}