Examine source code of Quick my password

{
  "manifest_version": 2,
  "name": "Quick my password",
  "author": "Clement Pentrella",
  "description": "Extensions to generate and save a password for your website without database!",
  "version": "1.0",
  "permissions": [
    "activeTab",
    "<all_urls>"
  ],
  "browser_action": {
    "default_popup": "index.html"
  },
  "icons": {
    "16": "./logo/logo_extension16.png",
    "32": "./logo/logo_extension32.png",
    "48": "./logo/logo_extension48.png",
    "128": "./logo/logo_extension128.png"
  },
  "commands": {
    "_execute_browser_action": {
      "suggested_key": {
        "default": "Ctrl+Q",
        "mac": "MacCtrl+Q"
      },
      "description": "OpenUp"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content_script.js"
      ],
      "css": [
        "banner.css"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{1e0b316e-18a0-48ae-9a46-bc5daa96b4d1}"
    }
  }
}