Examine source code of quora-nightmode

{
  "manifest_version": 2,
  "name": "quora-nightmode",
  "version": "1.1resigned1",
  "description": "Quora will be dark themed, using different shades of grey similar to Youtube's dark theme color pallet.",
  "icons": {
    "48": "quora_nightmode_project.ico",
    "96": "quora_nightmode_project.ico"
  },
  "content_scripts": [
    {
      "matches": [
        "*://www.quora.com/*"
      ],
      "js": [
        "nightmode.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{8559c102-d8ad-453d-bb82-949be4d6ea05}"
    }
  }
}