Examine source code of LEX Link

{
  "name": "LEX Link",
  "version": "2.1.0",
  "description": "Analiza tekstów prawniczych",
  "permissions": [
    "activeTab",
    "storage",
    "contextMenus",
    "https://apilinks.wolterskluwer.pl/",
    "https://linkapi.lex.pl/"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "lexlink@wolterskluwer.com",
      "strict_min_version": "42.0"
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "css": [
        "content/content.css",
        "css/style.css",
        "css/all.min.css"
      ],
      "js": [
        "content/content.js"
      ],
      "run_at": "document_end"
    }
  ],
  "browser_action": {
    "browser_style": true,
    "default_popup": "popups/popup.html",
    "default_icon": {
      "16": "images/logo_16.png",
      "32": "images/logo_32.png",
      "48": "images/logo_48.png",
      "128": "images/logo_128.png"
    }
  },
  "icons": {
    "16": "images/logo_16.png",
    "32": "images/logo_32.png",
    "48": "images/logo_48.png",
    "128": "images/logo_128.png"
  },
  "web_accessible_resources": [
    "images/*",
    "fonts/*",
    "css/*"
  ],
  "manifest_version": 2
}