Examine source code of Aquarium New Tab

{
  "manifest_version": 2,
  "name": "Aquarium New Tab",
  "version": "2.2.2",
  "description": "A beautiful animated aquarium as your new tab page",
  "chrome_url_overrides": {
    "newtab": "newtab.html"
  },
  "permissions": [
    "storage"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "icons": {
    "48": "icons/icon-48.png",
    "96": "icons/icon-96.png"
  },
  "applications": {
    "gecko": {
      "id": "tabraef2@mozilla.org"
    }
  }
}