Examine source code of BJS3D dot com DARK

{
  "theme": {
    "images": {
      "theme_frame": "BJS3DDarkHeader.png"
    },
    "colors": {
      "frame": "#808080",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "BJS3D dot com DARK",
  "manifest_version": 2,
  "description": "This Persona is based off the header theme of my site, <a href=\"https://outgoing.prod.mozaws.net/v1/b44d1ea39bef6e813af1184f261f734aafb98bdb3373fefd42fb6444f1c854fb/http%3A//BJS3D.com\" rel=\"nofollow\">BJS3D.com</a>. Since the site is optimized for Firefox, it seemed only fitting to formally introduce the two by way of theme coordination."
}