Examine source code of SPAMIT

{
  "theme": {
    "images": {
      "theme_frame": "FirefoxPersonaTopSmall.jpg"
    },
    "colors": {
      "frame": "#450b9c",
      "tab_background_text": "#cab2e8"
    }
  },
  "version": "2.0",
  "name": "SPAMIT",
  "manifest_version": 2,
  "description": "You know them: Stupid People At M.I.T. (Massachusetts Institute of Technology) spam"
}