Examine source code of Lemmy Modern UI Theme

{
  "manifest_version": 2,
  "name": "Lemmy Modern UI Theme",
  "version": "1.3.4",
  "description": "Modifies the CSS styles on Lemmy instances to create a modern looking theme.",
  "content_scripts": [
    {
      "js": [
        "dist/content-script.js"
      ],
      "matches": [
        "*://*/*"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{054a3757-13cd-4505-a1d3-dbbd5cca1a70}"
    }
  }
}