Examine source code of CSS Stripper

{
  "manifest_version": 3,
  "name": "__MSG_name__",
  "version": "1.0.1",
  "default_locale": "en",
  "description": "__MSG_description__",
  "icons": {
    "16": "icons/icon16.png",
    "24": "icons/icon24.png",
    "32": "icons/icon32.png",
    "48": "icons/icon48.png",
    "64": "icons/icon64.png",
    "96": "icons/icon96.png",
    "128": "icons/icon128.png",
    "256": "icons/icon256.png"
  },
  "action": {
    "default_icon": {
      "16": "icons/icon16.png",
      "24": "icons/icon24.png",
      "32": "icons/icon32.png",
      "48": "icons/icon48.png",
      "64": "icons/icon64.png",
      "96": "icons/icon96.png",
      "128": "icons/icon128.png",
      "256": "icons/icon256.png"
    },
    "default_title": "__MSG_defaultTitle__"
  },
  "background": {
    "scripts": [
      "sw.js"
    ]
  },
  "permissions": [
    "activeTab",
    "scripting"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "cssstripper.addon@ika.monster",
      "strict_min_version": "109.0"
    }
  }
}