Examine source code of Pikachu Yellow

{
  "theme": {
    "images": {
      "theme_frame": "pikachufirefox.png"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#000099"
    }
  },
  "version": "2.0",
  "name": "Pikachu Yellow",
  "manifest_version": 2,
  "description": "Ever wanted a cute little pikachu browsing the internet with you? Well look no further with this cute yellow pokemon persona.\n\nNow updated for Firefox 4 beta 5."
}