Cities HD Backgrounds in Your New Tab

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "Cities HD Backgrounds in Your New Tab",
  "action": {
    "default_icon": {
      "16": "icon-16.png",
      "32": "icon-32.png"
    }
  },
  "permissions": [
    "storage",
    "unlimitedStorage",
    "alarms"
  ],
  "background": {
    "service_worker": "background.bundle.js"
  },
  "icons": {
    "48": "icon-128.png",
    "128": "icon-128.png"
  },
  "chrome_url_overrides": {
    "newtab": "newtab.html"
  },
  "manifest_version": 3,
  "description": "Get HD Images Of Various Cities In Your New Tab.",
  "version": "0.0.40",
  "host_permissions": [
    "*://spntextension.com/*"
  ]
}