Examine source code of Pivotal Improvements

{
  "manifest_version": 2,
  "name": "Pivotal Improvements",
  "version": "1.0.5resigned1",
  "content_scripts": [
    {
      "matches": [
        "*://*.pivotaltracker.com/n/projects/*"
      ],
      "js": [
        "project.js"
      ],
      "css": [
        "project.css"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{62c254be-cee3-4f4a-9c39-c738e3a63bfa}"
    }
  }
}