Examine source code of Winter Season

{
  "theme": {
    "images": {
      "theme_frame": "WinterSeasonHCustom.jpg"
    },
    "colors": {
      "frame": "#7ba7e1",
      "tab_background_text": "#030303"
    }
  },
  "version": "2.0",
  "name": "Winter Season",
  "manifest_version": 2,
  "description": "winter, snowmen, snowman, fence, trees, snow, church, house, trees, whimsical, cute, season, \n\nDesigned by MaDonna\n\nMy matching wallpaper is at: <a href=\"https://outgoing.prod.mozaws.net/v1/047efe87fc7e46925f1eb315cff3a6c6728b496e1e48657c8d573d1b9a87bc01/http%3A//nature.desktopnexus.com/wallpaper/824484/\" rel=\"nofollow\">http://nature.desktopnexus.com/wallpaper/824484/</a>"
}