Examine source code of Pause GIFs

{
  "manifest_version": 2,
  "name": "Pause GIFs",
  "version": "1.1",
  "description": "Enables users to pause and resume individual GIFs on webpages.",
  "icons": {
    "128": "icon.png"
  },
  "browser_action": {
    "default_icon": "icon.png",
    "default_title": "Pause GIF"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ],
      "css": [
        "style.css"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{e27f3ed9-446a-420c-9141-c73ce4daa3d0}"
    }
  }
}