Examine source code of Speed.cd_Black

{
  "theme": {
    "images": {
      "theme_frame": "headerV8.png"
    },
    "colors": {
      "frame": "#cfcbcb",
      "tab_background_text": "#918e8e"
    }
  },
  "version": "2.0",
  "name": "Speed.cd_Black",
  "manifest_version": 2,
  "description": "A black Firefox Persona for users of <a href=\"https://outgoing.prod.mozaws.net/v1/ac7d17c9d43f2f170aa9a37c8e68f53846549cea1a293633e00a8702c5249bf6/http%3A//speed.cd\" rel=\"nofollow\">speed.cd</a>."
}