try to fix menu

core/includes/support.tpl

@@ -1,3 +1,4 @@
+<span  style="white-space:nowrap;">
 <li data-menuitemname="Contact Us" class="list-inline-item">
     <a class="nav-link" href="/contact.php">
         <i class="fas fa-pencil mr-0 list-inline-item" title="Kontakt"></i>
@@ -58,3 +59,5 @@
         </li>
     </ul>
 </li>
+</span>
+

core/layouts/default/header.tpl

@@ -51,7 +51,7 @@
 						{/if}
 					</ul>
 
-					<ul id="header" class="nav navbar-nav navbar-right d-none d-md-block d-lg-block d-xl-block" style="white-space:nowrap;">
+					<ul id="header" class="nav navbar-nav navbar-right d-none d-md-block d-lg-block d-xl-block">
 						<!-- TD-NAvBar-Right -->
 						{include file="$template/core/includes/support.tpl" navbar=$secondaryNavbar}	
 {*							{include file="$template/core/includes/navbar-right.tpl" navbar=$secondaryNavbar}	*}