Examine source code of ScrollReading

{
  "manifest_version": 2,
  "name": "ScrollReading",
  "version": "1.1resigned1",
  "description": "A reading aid you're looking for",
  "browser_action": {
    "default_icon": "icon.png",
    "default_title": "Scroll Reading Mode"
  },
  "permissions": [
    "tabs"
  ],
  "background": {
    "scripts": [
      "jquery.js",
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "*://*/*"
      ],
      "js": [
        "jquery.js",
        "scrollreading.js"
      ],
      "css": [
        "scrollreading.css"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{f499805d-ed59-471b-9495-bf41829c92fd}"
    }
  }
}