Examine source code of Amazon Unsponsored

{
  "name": "Amazon Unsponsored",
  "description": "Remove all sponsored links in amazon",
  "version": "1.2",
  "icons": {
    "16": "icon16.838e3045.png",
    "48": "icon48.f8b8e092.png",
    "128": "icon128.f0d9955c.png"
  },
  "manifest_version": 2,
  "content_scripts": [
    {
      "matches": [
        "https://*.amazon.com.au/*",
        "https://*.amazon.com.br/*",
        "https://*.amazon.ca/*",
        "https://*.amazon.cn/*",
        "https://*.amazon.eg/*",
        "https://*.amazon.fr/*",
        "https://*.amazon.de/*",
        "https://*.amazon.in/*",
        "https://*.amazon.it/*",
        "https://*.amazon.co.jp/*",
        "https://*.amazon.com.mx/*",
        "https://*.amazon.nl/*",
        "https://*.amazon.pl/*",
        "https://*.amazon.sa/*",
        "https://*.amazon.sg/*",
        "https://*.amazon.es/*",
        "https://*.amazon.se/*",
        "https://*.amazon.com.tr/*",
        "https://*.amazon.ae/*",
        "https://*.amazon.co.uk/*",
        "https://*.amazon.com/*"
      ],
      "css": [
        "injection.6cd9aa31.css"
      ]
    }
  ],
  "web_accessible_resources": [],
  "browser_specific_settings": {
    "gecko": {
      "id": "{7c5f27f0-a239-4e7f-be42-fb011a3c257c}"
    }
  }
}