Corona, no thanks!

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "Corona, no thanks!",
  "version": "1.0.0",
  "manifest_version": 2,
  "description": "Are you also sick of hearing corona everywhere? Replace it with something better.",
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "default_locale": "en",
  "permissions": [
    "storage"
  ],
  "content_scripts": [
    {
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "js": [
        "src/content.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "browser_action": {
    "default_icon": "icons/icon19.png",
    "default_title": "browser action demo",
    "default_popup": "src/browser_action/browser_action.html"
  }
}