manifest.json

{
    "manifest_version": 2,
    "name": "Browsing WatchDog",
    "version": "1.0",
    "description": "Helps you to streamline your browsing habits.",
    "icons": {
      "48": "icons/watchdog-48.png"
    },
    "content_scripts": [
      {
        "matches": ["<all_urls>"],
        "js": ["content-script.js"],
        "css" : ["content-style.css"]
      }
    ],
    "permissions": [
      "storage"
    ],
    "options_ui": {
      "page": "options.html",
      "browser_style": true
    },
    "browser_specific_settings": {
      "gecko": {
        "id": "broswing-watchdog-smkeynote@gmail.com"
      }
    }
}