Examine source code of Obliterate-Fixed

{
  "manifest_version": 2,
  "name": "Obliterate-Fixed",
  "version": "1.2resigned1",
  "description": "Removes all fixed-position elements from the specified sites.",
  "icons": {
    "48": "obliterate.png"
  },
  "options_ui": {
    "page": "settings.html"
  },
  "permissions": [
    "storage"
  ],
  "applications": {
    "gecko": {
      "id": "{6FA9E561-670C-46CA-9D6D-281B961203C7}"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "obliterate.js"
      ]
    }
  ]
}