Examine source code of Soundcloud DX

{
  "manifest_version": 2,
  "name": "Soundcloud DX",
  "version": "1.1resigned1",
  "description": "Modifys the layout of soundcloud's website to optimize user friendliness.",
  "icons": {
    "48": "icons/scdx-icon-48.png",
    "64": "icons/scdx-icon-64.png",
    "512": "icons/scdx-icon-512.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.soundcloud.com/*"
      ],
      "js": [
        "scdx.js"
      ],
      "css": [
        "scdx.css"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{57c3071c-f84c-4835-b7b7-f191bff7f7c0}"
    }
  }
}