Examine source code of red-dragon-sc

{
  "manifest_version": 2,
  "name": "red-dragon-sc",
  "version": "1.0",
  "description": "Description here.",
  "icons": {
    "48": "icons/dragon.png"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "/borderify.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{3a7c5c8c-1627-4287-9982-d29d24572c09}"
    }
  }
}