Examine source code of Simples

{
  "theme": {
    "images": {
      "theme_frame": "Persona_Header.png"
    },
    "colors": {
      "frame": "#1044b5",
      "tab_background_text": "#223a4f"
    }
  },
  "version": "2.0",
  "name": "Simples",
  "manifest_version": 2,
  "description": "This is my first persona!\nIts simple but not boring and add's a bit of colour to firefox but not so much its distracting.\n\nEnjoy =D"
}