Comic Sans Everywhere

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "Comic Sans Everywhere",
  "version": "1.0",
  "description": "Changes the font of all text on web pages to Comic Sans.",
  "manifest_version": 3,
  "host_permissions": [
    "<all_urls>"
  ],
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "all_frames": true,
      "js": [
        "content.js"
      ]
    }
  ]
}