Examine source code of Tektriks Search

{
  "manifest_version": 2,
  "name": "Tektriks Search",
  "description": "Quick search Tektriks website",
  "version": "1.0.1resigned1",
  "icons": {
    "48": "icons/icon_48.png"
  },
  "homepage_url": "https://tektriks.com",
  "permissions": [
    "activeTab",
    "https://tektriks.com/"
  ],
  "browser_action": {
    "default_icon": "icons/icon_32.png",
    "default_title": "Tektriks Search",
    "default_popup": "popup.html"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.tektriks.com/*"
      ],
      "css": [
        "styles.css"
      ],
      "js": [
        "popup.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{852f689e-352a-4dcb-b3e1-b86512428a8b}"
    }
  }
}