Examine source code of Les Fleurs

{
  "theme": {
    "images": {
      "theme_frame": "flowersheader.png"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Les Fleurs",
  "manifest_version": 2,
  "description": "Les Fleurs, (the flowers), is a simple but cute persona for FireFox."
}