{

  "manifest_version": 2,
  "name": "Content scripting",
  "version": "1.0",

  "applications": {
    "gecko": {
      "id": "content-scripts@mozilla.org"
    }
  },

  "content_scripts": [
    {
      "matches": ["https://mdn.github.io/webextensions-examples/"],
      "js": ["content-script.js"]
    }
  ],
  
  "browser_action": {
    "default_icon": "button/action.png",
    "default_popup": "popup/choose_action.html"
  }

}