Examine source code of Winter to Spring

{
  "theme": {
    "images": {
      "theme_frame": "WintertoSpringH3Custom.jpg"
    },
    "colors": {
      "frame": "#5f9fe3",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Winter to Spring",
  "manifest_version": 2,
  "description": "sky, trees, spring, snow, collage, blooms, season, winter, flowers, mountains, wild flowers, cosmos, sky, evergreen, \n\nDesigned by MaDonna\n\nMy wallpaper to match is at: <a href=\"https://outgoing.prod.mozaws.net/v1/497871886dc703182fddedd02782cc234b831a3656c9661f52a584bbfaa441d6/http%3A//nature.desktopnexus.com/wallpaper/1316413/\" rel=\"nofollow\">http://nature.desktopnexus.com/wallpaper/1316413/</a>"
}