Dark Theme for Facebook™

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 3,
  "version": "0.2.0",
  "name": "Dark Theme for Facebook™",
  "description": "__MSG_app_description__",
  "default_locale": "en",
  "permissions": [
    "storage",
    "alarms",
    "idle"
  ],
  "background": {
    "service_worker": "worker.js"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.facebook.com/*",
        "*://*.messenger.com/*"
      ],
      "js": [
        "data/inject.js"
      ],
      "css": [
        "data/styles/common.css"
      ],
      "run_at": "document_start",
      "all_frames": true
    }
  ],
  "icons": {
    "16": "data/icons/16.png",
    "32": "data/icons/32.png",
    "48": "data/icons/48.png",
    "64": "data/icons/64.png",
    "128": "data/icons/128.png",
    "256": "data/icons/256.png",
    "512": "data/icons/512.png"
  },
  "homepage_url": "https://add0n.com/dark-theme.html?from=facebook",
  "options_ui": {
    "page": "data/options/index.html"
  },
  "action": {},
  "commands": {
    "_execute_action": {}
  }
}