Examine source code of Spring Surprise

{
  "theme": {
    "images": {
      "theme_frame": "SpringSurpiseH.jpg"
    },
    "colors": {
      "frame": "#c1cbe3",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Spring Surprise",
  "manifest_version": 2,
  "description": "cold, flowers, frost, ice, pink, snow, snowflakes, snowing, spring, tulips, white, winter My wallpaper to match is at: <a href=\"https://outgoing.prod.mozaws.net/v1/5ed8c1a96b6d483b00a9aef4c044ab1f1c6661a6100699be02ae5f6398dcfe2b/http%3A//nature.desktopnexus.com/wallpaper/926360/\" rel=\"nofollow\">http://nature.desktopnexus.com/wallpaper/926360/</a>"
}