Examine source code of Remove Create Button

{
  "manifest_version": 2,
  "name": "Remove",
  "version": "1.1resigned1",
  "description": "Removes the Create Button on FaceBook",
  "icons": {
    "48": "removeIcon.png"
  },
  "applications": {
    "gecko": {
      "id": "solonoodleOficial@gmail.com"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.facebook.com/*"
      ],
      "js": [
        "remove.js"
      ]
    }
  ]
}