Examine source code of EZScroll

{
  "name": "EZScroll",
  "description": "Are you tired of scrolling back to the top of the page? Fear not, we have a scrolling solution for you!",
  "version": "0.7.2",
  "options_ui": {
    "page": "options.html",
    "browser_style": false,
    "open_in_tab": true
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_start"
    }
  ],
  "icons": {
    "16": "scroll_16.png",
    "128": "scroll_128.png"
  },
  "permissions": [
    "activeTab",
    "storage"
  ],
  "browser_action": {
    "default_title": "Check the bottom-right corner of any web page you visit."
  },
  "manifest_version": 2,
  "browser_specific_settings": {
    "gecko": {
      "id": "{6b11a033-ca04-4590-85c0-0f65d57d49ab}"
    }
  }
}