Examine source code of Vice et Rales

{
  "theme": {
    "images": {
      "theme_frame": "FireFoxPersona-VRHeader_1.2.png"
    },
    "colors": {
      "frame": "#ff6600",
      "tab_background_text": "#ff6600"
    }
  },
  "version": "2.0",
  "name": "Vice et Rales",
  "manifest_version": 2,
  "description": "Une alliance pour MMHK"
}