Examine source code of Hide the troll

{
  "name": "Hide the troll",
  "description": "Hide annoying trolls demolishing your favorite forums. Make them invisible. Make them starve.",
  "version": "0.1.7resigned1",
  "icons": {
    "16": "icons/troll16.png",
    "32": "icons/troll32.png",
    "48": "icons/troll48.png",
    "128": "icons/troll128.png"
  },
  "browser_action": {
    "default_title": "Hide the troll",
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icons/troll16.png",
      "32": "icons/troll32.png"
    }
  },
  "permissions": [
    "storage"
  ],
  "content_scripts": [
    {
      "matches": [
        "*://*.frazpc.pl/*",
        "*://*.reddit.com/*",
        "*://*.optyczne.pl/*"
      ],
      "css": [
        "css/neutralizer.css"
      ],
      "js": [
        "neutralizer.js"
      ]
    }
  ],
  "manifest_version": 2,
  "browser_specific_settings": {
    "gecko": {
      "id": "{8db5e374-4de4-4cbb-9716-4fffb70d3d51}"
    }
  }
}