Mouse click effects (๑•́ ∀ •̀๑)

manifest.json

{
  "manifest_version": 2,
  "name": "__MSG_extName__",
  "default_locale": "en",
  "version": "1.2.4",
  "description": "__MSG_extDesc__",
  "browser_action": {
    "default_icon": "icon.png",
    "default_popup": "popup.html"
  },
  "icons": {
    "48": "icon.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*/*"
      ],
      "js": [
        "jquery.min.js",
        "popup.js"
      ],
      "run_at": "document_end"
    }
  ],
  "permissions": [
    "storage"
  ]
}