Examine source code of Bright Night Sky

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#0c0b10",
      "tab_background_text": "#ffebff"
    }
  },
  "version": "2.0",
  "name": "Bright  Night  Sky",
  "manifest_version": 2,
  "description": "earth, space, stars, sun, galaxies, shine, world, light, planets\t\n\nDesigned by MaDonna\n\nMy wallpaper to match is at: <a rel=\"nofollow\" href=\"https://outgoing.prod.mozaws.net/v1/e7c188dd761c9d6ad6f6c246c7e9004166cfa5e31d27d722a6ec55ccd4b3228d/http%3A//nature.desktopnexus.com/wallpaper/1505422/\">http://nature.desktopnexus.com/wallpaper/1505422/</a>"
}