Examine source code of Disable Instagram Feed

{
  "description": "Removes Feed from Instagram.",
  "manifest_version": 2,
  "name": "Disable Instagram Feed",
  "version": "1.0",
  "author": "Ashwin Mathews",
  "content_scripts": [
    {
      "css": [
        "style.css"
      ],
      "matches": [
        "*://*.instagram.com/*"
      ],
      "run_at": "document_start"
    }
  ]
}