Examine source code of Winter So Soft

{
  "theme": {
    "images": {
      "theme_frame": "WintersosoftHCustom.jpg"
    },
    "colors": {
      "frame": "#f5ebeb",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Winter So Soft",
  "manifest_version": 2,
  "description": "icicles, snowflakes, stars, frost, bells, cold, swag, pale, birds, mittens, shadow, snow, winter, pale, string, cones, ribbon, bow, \n\nDesigned by MaDonna\n\nMy wallpaper to match is at: <a href=\"https://outgoing.prod.mozaws.net/v1/380a5afa425446561c1d3d9bcb52424ab5c7d210ef25c4484e9b8a80f3583d15/http%3A//abstract.desktopnexus.com/wallpaper/1336061/\" rel=\"nofollow\">http://abstract.desktopnexus.com/wallpaper/1336061/</a>"
}