Examine source code of Bar Buzz

{
  "theme": {
    "images": {
      "theme_frame": "firefox_persona_barbuzz_header6.jpg"
    },
    "colors": {
      "frame": "#993300",
      "tab_background_text": "#cc6600"
    }
  },
  "version": "2.0",
  "name": "Bar Buzz",
  "manifest_version": 2,
  "description": "Bar Buzz Theme"
}