Examine source code of Amazon Ad Blocker

{
  "manifest_version": 2,
  "name": "Amazon Ad Blocker",
  "version": "0.4",
  "description": "Removes Sponsored Items from Amazon",
  "icons": {
    "48": "icons/amazon-ad-blocker-48.png"
  },
  "browser_action": {
    "default_icon": "icons/amazon-ad-blocker-48.png",
    "default_title": "Amazon Ad Blocker",
    "default_popup": "popup/amazon-ad-blocker.html"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.amazon.com/*"
      ],
      "js": [
        "amazon-ad-blocker.js"
      ],
      "css": [
        "amazon-ad-blocker.css"
      ]
    }
  ]
}