Examine source code of Sorrow

{
  "theme": {
    "images": {
      "theme_frame": "Sorrow1H.jpg"
    },
    "colors": {
      "frame": "#121212",
      "tab_background_text": "#0f0f0f"
    }
  },
  "version": "2.0",
  "name": "Sorrow",
  "manifest_version": 2,
  "description": "Original artist, Cloudy, <a rel=\"nofollow\" href=\"https://outgoing.prod.mozaws.net/v1/9a36651d3a8db6b0f660f73f5322d49d35515ea3948148b914622ae02d676305/http%3A//www.cloud-realms.com/\">http://www.cloud-realms.com/</a>\nanime girl, sweet, blue, cy, sad, lost, \n\nDesigned by MaDonna"
}