Simultaneous Scrolling

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 3,
  "name": "Simultaneous Scrolling",
  "description": "Scroll tabs at the same time! Using this extension, you can view two tabs in different languages at the same time.",
  "version": "1.0.3",
  "action": {
    "default_popup": "popup/popup.html",
    "default_icon": "images/icon128.png"
  },
  "icons": {
    "16": "images/icon16.png",
    "32": "images/icon32.png",
    "48": "images/icon48.png",
    "64": "images/icon64.png",
    "128": "images/icon128.png"
  },
  "permissions": [
    "tabs",
    "storage"
  ],
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content-script.js"
      ]
    }
  ],
  "background": {
    "service_worker": "background.js"
  }
}