Stylish - Custom themes for any website

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manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "__MSG_appName__",
  "description": "__MSG_appDesc__",
  "homepage_url": "https://userstyles.org",
  "version": "3.4",
  "manifest_version": 3,
  "key": "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCr3yiiN7TIDoaEvh7W34g5YsxfUIGkvVUylq9bm29v8EzULCNIpi74KOBrvprYB6/YAdLjvYmGya1CJfgkuQy3/rZ7gGLSrDk9B1qgsHurhNaCJ0ogfSR50bfYUp0qJlIAgBgZWrVWLogfXbU8x+LFgV8pdMjFuWJgzketxjP6nwIDAQAB",
  "default_locale": "en",
  "action": {
    "default_popup": "",
    "default_title": "Stylish"
  },
  "options_page": "pages/options/options.html",
  "icons": {
    "16": "/icons/logo/black-icon-128.png",
    "48": "/icons/logo/black-icon-128.png",
    "128": "/icons/logo/black-icon-128.png"
  },
  "permissions": [
    "storage",
    "tabs",
    "alarms",
    "scripting",
    "webNavigation",
    "webRequest",
    "contextMenus"
  ],
  "host_permissions": [
    "*://*/*"
  ],
  "externally_connectable": {
    "matches": [
      "https://*.userstyles.org/*",
      "*://localhost/*"
    ]
  },
  "background": {
    "service_worker": "./static/js/service-worker.js",
    "type": "module"
  },
  "content_scripts": [
    {
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "js": [
        "./static/js/content.js"
      ],
      "css": [],
      "run_at": "document_start"
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "index.html",
        "js/dynamic-bundles/tower-blocks.js",
        "js/dynamic-bundles/coca-google-style.js",
        "js/dynamic-bundles/google-style.js",
        "js/dynamic-bundles/google-fingers-style.js"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ]
}