YouTube mp3 Downloader

manifest.json

{
  "name": "YouTube mp3 Downloader",
  "version": "3.0.3resigned1",
  "manifest_version": 2,
  "description": "The YouTube mp3 Downloader Add-on includes a Button on any YouTube Page and allows you to convert the YouTube Video to a mp3 with just one click.",
  "icons": {
    "128": "icons/icon-128.png"
  },
  "background": {
    "scripts": []
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.youtube.com/*"
      ],
      "css": [
        "mp3-download.css"
      ],
      "js": [
        "jquery-2.2.4.min.js",
        "mp3-download.js"
      ]
    }
  ],
  "permissions": [],
  "browser_specific_settings": {
    "gecko": {
      "id": "{defe5404-0b6f-4cce-a119-ee0df858e5f9}"
    }
  }
}