Examine source code of Cookie popup remover

{
  "manifest_version": 2,
  "name": "CookieRemover",
  "version": "1.0",
  "description": "Removes cookie pop-up box from stackoverflow",
  "icons": {
    "48": "icons/delete_black_24dp.svg"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.stackoverflow.com/*"
      ],
      "js": [
        "cookie-remover.js"
      ]
    }
  ]
}