[Fatal] Nav bar js override

overrides/partials/header.html

@@ -1,5 +1,9 @@
 {% block libs %}
    <script async defer data-domain="linkedin.github.io" src="https://tracking.eskratch.com/js/plausible.js"></script>
+<script>document.addEventListener("DOMContentLoaded", function() {
+  if (document.getElementById("nav-3").checked!=true && window.innerWidth>900)
+      document.getElementById("nav-2").checked=true;
+});</script>
 {% endblock %}
 {% set site_url = config.site_url | default(nav.homepage.url, true) | url %}
 {% if not config.use_directory_urls and site_url[0] == site_url[-1] == "." %}