Examine source code of Blue Crystal Snowflake

{
  "theme": {
    "images": {
      "theme_frame": "BlueCrystalSnowflakeH3Custom.jpg"
    },
    "colors": {
      "frame": "#9fc8eb",
      "tab_background_text": "#0835d6"
    }
  },
  "version": "2.0",
  "name": "Blue Crystal Snowflake",
  "manifest_version": 2,
  "description": "winter, blue, snow, snowflake, stars, diamonds, sparkle, cold, Christmas, My wallpaper to match is at: <a href=\"https://outgoing.prod.mozaws.net/v1/5e5b9942790c37bb290a11d9b6429f6f547c3b6e6fb869a32f52b323722ab779/http%3A//nature.desktopnexus.com/wallpaper/859942/\" rel=\"nofollow\">http://nature.desktopnexus.com/wallpaper/859942/</a>"
}