Examine source code of TikScroller

{
  "manifest_version": 2,
  "name": "Tiktok Snappy Scroller",
  "version": "1.0",
  "description": "Improve tiktok scrolling by adding snapping scroll",
  "icons": {
    "64": "icons/scroll.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.tiktok.com/*"
      ],
      "css": [
        "main.css"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{c96ec2f4-7931-4fbd-a667-3a096bafe7b5}"
    }
  }
}