Examine source code of SearchBar Center

{
  "manifest_version": 3,
  "name": "SearchBar",
  "version": "1.0.1",
  "description": "Place toggle search bar on the center of the page with Shift + Q combination.",
  "permissions": [
    "tabs",
    "storage"
  ],
  "icons": {
    "64": "icon.png"
  },
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icon.png",
      "48": "icon.png",
      "128": "icon.png"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "searchBar.js"
      ],
      "css": [
        "style.css",
        "logos.css"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "nseangaming@gmail.com"
    }
  }
}