Examine source code of Reverso Cleaner

{
  "manifest_version": 2,
  "name": "Reverso Cleaner",
  "version": "0.9.1",
  "description": "Make better your experience with Context Reverso",
  "icons": {
    "48": "icons/reverso-cleaner-48.svg",
    "96": "icons/reverso-cleaner-96.svg"
  },
  "browser_action": {
    "browser_style": true,
    "default_icon": {
      "16": "button/reverso-cleaner-16.svg",
      "32": "button/reverso-cleaner-32.svg"
    },
    "default_title": "Reverso Cleaner",
    "default_popup": "popup/reverso-cleaner.html"
  },
  "content_scripts": [
    {
      "matches": [
        "*://context.reverso.net/*"
      ],
      "js": [
        "reverso-cleaner.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{4fb68a50-d521-487e-95cd-4516e32d61bc}"
    }
  }
}