Examine source code of ParabellumFox

{
  "theme": {
    "images": {
      "theme_frame": "Untitled-2.jpg"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#bf9600"
    }
  },
  "version": "2.0",
  "name": "ParabellumFox",
  "manifest_version": 2,
  "description": "A Parabellum persona for Firefox. Parabellum is an FPS game made by Acony and is being published by GamersFirst."
}