Examine source code of Bebop crew

{
  "theme": {
    "images": {
      "theme_frame": "Bebop_persona_header_20.jpg"
    },
    "colors": {
      "frame": "#999999",
      "tab_background_text": "#666666"
    }
  },
  "version": "2.0",
  "name": "Bebop crew",
  "manifest_version": 2,
  "description": "A tribute to Cowboy Bebop. Optimized for 1280p wide resolution, with bookmarks toolbar and a clean status bar. Updated: 20091230"
}