Examine source code of Glitter Tree

{
  "theme": {
    "images": {
      "theme_frame": "GlitterTreeHCustom.jpg"
    },
    "colors": {
      "frame": "#990033",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Glitter Tree",
  "manifest_version": 2,
  "description": "Christmas, Xmas, Feliz Navidad, stars, light, snow, bright, light,Bokeh, bright, My wallpaper to match is at: <a href=\"https://outgoing.prod.mozaws.net/v1/4dac9840f8fe24bc0d393a6e1f4d3dab5fac53adefee4f9e32f156ef35f09489/http%3A//abstract.desktopnexus.com/wallpaper/863590/\" rel=\"nofollow\">http://abstract.desktopnexus.com/wallpaper/863590/</a>"
}