Examine source code of sun and snow

{
  "theme": {
    "images": {
      "theme_frame": "sunandsnowalto.jpg"
    },
    "colors": {
      "frame": "#c9c9c9",
      "tab_background_text": "#ffffcc"
    }
  },
  "version": "2.0",
  "name": "sun and snow",
  "manifest_version": 2,
  "description": "TAGS:\nnature,cold,ice,snowfall,sunrise,sunset,lights,photography,woods,forests,\ntrees,white,parkland,winter,seasonal,december,Christmas,candelora,\nSanta Claus,New Year\n\nBy:  <a href=\"https://outgoing.prod.mozaws.net/v1/f46bbfdf5d4e3f4a9ec0341e255de5701a22eaabc8500fa64e01d5b5101f1818/http%3A//abstract.desktopnexus.com/wallpaper/231133\" rel=\"nofollow\">http://abstract.desktopnexus.com/wallpaper/231133</a>"
}