Missing background and border on small breakpoints
>>> [!note] Migrated issue
<!-- Drupal.org comment -->
<!-- Migrated from issue #3564941. -->
Reported by: [xmacinfo](https://www.drupal.org/user/12131)
Related to !25
>>>
<h3 id="summary-problem-motivation">Problem/Motivation</h3>
<p>The backgrounds and borders are not defined on small breakpoints in the navigation bar and the top navigation bar with the “Expand sidebar” message.</p>
<p>This affects only Drupal 11.3.x.</p>
issue