{

  "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"]
    }
  ]

}