Examine source code of Rakaen

{
  "theme": {
    "images": {
      "theme_frame": "FireFoxPersonaTestHeader3.jpg"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#fffb00"
    }
  },
  "version": "2.0",
  "name": "Rakaen",
  "manifest_version": 2,
  "description": "My friend Muddy wanted a Persona of my character, Rakaen the Dradog so here it is!"
}