Examine source code of Bitcointalk Mobile

{
  "name": "Bitcointalk Mobile",
  "short_name": "BCTmobile",
  "version": "0.3.1resigned1",
  "manifest_version": 2,
  "description": "Make bitcointalk.org mobile friendly, no server processing all done locally with custom CSS and Javascript",
  "homepage_url": "https://github.com/ewwink/bitcointalk-mobile",
  "icons": {
    "16": "icons/bitcointalkmobile16.png",
    "19": "icons/bitcointalkmobile19.png",
    "48": "icons/bitcointalkmobile48.png",
    "128": "icons/bitcointalkmobile128.png"
  },
  "default_locale": "en",
  "browser_action": {
    "default_icon": "icons/bitcointalkmobile19.png",
    "default_title": "Bitcointalk Mobile",
    "default_popup": "src/browser_action/browser_action.html"
  },
  "options_ui": {
    "page": "src/options/options.html",
    "open_in_tab": true
  },
  "permissions": [
    "storage",
    "https://bitcointalk.org/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://bitcointalk.org/*"
      ],
      "css": [
        "css/bitcointalk.org.css"
      ],
      "js": [
        "js/night-mode.js"
      ],
      "run_at": "document_start"
    },
    {
      "matches": [
        "https://bitcointalk.org/*"
      ],
      "js": [
        "js/bitcointalkmobile.js"
      ],
      "run_at": "document_end"
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{76c5cec0-7ea2-4e65-aacf-9bb0f747cda8}"
    }
  }
}