Examine source code of Plurk Buoy

{
  "applications": {
    "gecko": {
      "id": "jid1-WznDAiwSf9cQNw@jetpack",
      "strict_min_version": "53.0"
    }
  },
  "name": "Plurk Buoy",
  "version": "0.5.1resigned1",
  "manifest_version": 2,
  "description": "Display the Plurk mobile version's link content in iframe, enhance the browsing experience on desktop.",
  "permissions": [
    "*://www.plurk.com/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "*://www.plurk.com/m",
        "*://www.plurk.com/m/",
        "*://www.plurk.com/m?*",
        "*://www.plurk.com/m/?*",
        "*://www.plurk.com/m/u*"
      ],
      "css": [
        "data/style.css"
      ],
      "js": [
        "data/mod.js",
        "data/enhance.js"
      ]
    },
    {
      "all_frames": true,
      "matches": [
        "*://www.plurk.com/m/p/*"
      ],
      "css": [
        "data/content.css"
      ],
      "js": [
        "data/content.js",
        "data/enhance.js"
      ]
    }
  ]
}