Examine source code of DelfiBannerAway

{
  "manifest_version": 2,
  "name": "DelfiBannerAway",
  "version": "1.1",
  "description": "Removes annoying anti-adblock banner on Estonian news portal",
  "icons": {
    "48": "icons/delfi-48.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.delfi.ee/*"
      ],
      "js": [
        "dab.js"
      ],
      "css": [
        "adstyle.css"
      ],
      "run_at": "document_start"
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "rahimgulov.rustam@gmail.com"
    }
  }
}