diff --git a/web/themes/asc_bootstrap/assets/sass/components/_menu.scss b/web/themes/asc_bootstrap/assets/sass/components/_menu.scss
index e5a95dcc54b768093faa7c8cecf6761c633a01e3..c3a751783ae43125a90dd164c8e5be44e5cc696c 100644
--- a/web/themes/asc_bootstrap/assets/sass/components/_menu.scss
+++ b/web/themes/asc_bootstrap/assets/sass/components/_menu.scss
@@ -282,7 +282,7 @@
       }
 
         .asc-submenu.a11y-navbar-menu-open {
-          width: 100% !important;
+          width: 18em !important;
 
           .a11y-navbar-submenu {
 
diff --git a/web/themes/asc_bootstrap/css/style.css b/web/themes/asc_bootstrap/css/style.css
index 196db2944f8c33b8752dd46f3ae8f486754fab4b..e6fff3191d257a164b54a27d7ca122ee8890eb8b 100644
--- a/web/themes/asc_bootstrap/css/style.css
+++ b/web/themes/asc_bootstrap/css/style.css
@@ -8337,7 +8337,7 @@ article .field--name-body {
           color: #212325 !important;
           min-width: 44px !important; }
         .bux-container .asc-main-menu .menu--main .asc-submenu.a11y-navbar-menu-open {
-          width: 100% !important; }
+          width: 18em !important; }
           .bux-container .asc-main-menu .menu--main .asc-submenu.a11y-navbar-menu-open .a11y-navbar-submenu .bux-menu__item a {
             padding-left: 3em !important;
             color: #212325 !important; }
diff --git a/web/themes/asc_bootstrap/templates/system/page--academic-programs.html.twig b/web/themes/asc_bootstrap/templates/system/page--academic-programs.html.twig
index db8e671ec32fbea4513e35a28e01823b7bf0c7ff..e6dce2643bdba7b635a9a9d630c073f21ae8526a 100644
--- a/web/themes/asc_bootstrap/templates/system/page--academic-programs.html.twig
+++ b/web/themes/asc_bootstrap/templates/system/page--academic-programs.html.twig
@@ -52,9 +52,7 @@
 
   <div id="main-nav">
     <div class="container">
-        <nav aria-label="Main">
           {{ page.navigation }}
-        </nav>
       </div>
   </div>
   <div id="breadcrumb-container">
diff --git a/web/themes/asc_bootstrap/templates/system/page--course.html.twig b/web/themes/asc_bootstrap/templates/system/page--course.html.twig
index 2288a7cee44d0ea546dfbd6dd92051774f72e327..4632f3a01028c8b8f6b0b87a2de9127dc8832575 100644
--- a/web/themes/asc_bootstrap/templates/system/page--course.html.twig
+++ b/web/themes/asc_bootstrap/templates/system/page--course.html.twig
@@ -52,9 +52,7 @@
 
   <div id="main-nav">
     <div class="container">
-        <nav aria-label="Main">
           {{ page.navigation }}
-        </nav>
       </div>
   </div>
   <div id="breadcrumb-container">
diff --git a/web/themes/asc_bootstrap/templates/system/page--front.html.twig b/web/themes/asc_bootstrap/templates/system/page--front.html.twig
index 91541dd4aa8bd23fa65da7a608defd209d814a2e..b313f84a123b4bcab01b407e43ff7fe452e66275 100755
--- a/web/themes/asc_bootstrap/templates/system/page--front.html.twig
+++ b/web/themes/asc_bootstrap/templates/system/page--front.html.twig
@@ -50,9 +50,7 @@
 
   <div id="main-nav">
     <div class="container">
-      <nav aria-label="Main">
         {{ page.navigation }}
-      </nav>
     </div>
   </div>
 
diff --git a/web/themes/asc_bootstrap/templates/system/page--landing-page.html.twig b/web/themes/asc_bootstrap/templates/system/page--landing-page.html.twig
index ed451a0188db162c9fa256db5926fe3e3e2cf86c..781623647340280df553f08bfbc5bf96a947ddc2 100644
--- a/web/themes/asc_bootstrap/templates/system/page--landing-page.html.twig
+++ b/web/themes/asc_bootstrap/templates/system/page--landing-page.html.twig
@@ -53,9 +53,7 @@
 
   <div id="main-nav">
     <div class="container">
-      <nav aria-label="Main">
         {{ page.navigation }}
-      </nav>
     </div>
   </div>
 
diff --git a/web/themes/asc_bootstrap/templates/system/page--newsletter-issue.html.twig b/web/themes/asc_bootstrap/templates/system/page--newsletter-issue.html.twig
index 1d7e5820e82b288a086b34bf1e8d107e03806415..729b498b65d01d568a1dbd2df25a00332aaffd9f 100644
--- a/web/themes/asc_bootstrap/templates/system/page--newsletter-issue.html.twig
+++ b/web/themes/asc_bootstrap/templates/system/page--newsletter-issue.html.twig
@@ -52,9 +52,7 @@
 
   <div id="main-nav">
     <div class="container">
-      <nav aria-label="Main">
         {{ page.navigation }}
-      </nav>
     </div>
   </div>
 
diff --git a/web/themes/asc_bootstrap/templates/system/page--newsletter-landing-page.html.twig b/web/themes/asc_bootstrap/templates/system/page--newsletter-landing-page.html.twig
index ad45adc06746cee1bba12a8a82f8189eb849bb38..99919d8dddb1671e8a80362f6af27b8e158112eb 100644
--- a/web/themes/asc_bootstrap/templates/system/page--newsletter-landing-page.html.twig
+++ b/web/themes/asc_bootstrap/templates/system/page--newsletter-landing-page.html.twig
@@ -52,9 +52,7 @@
 
   <div id="main-nav">
     <div class="container">
-      <nav aria-label="Main">
         {{ page.navigation }}
-      </nav>
     </div>
   </div>
 
diff --git a/web/themes/asc_bootstrap/templates/system/page--research-landing-page.html.twig b/web/themes/asc_bootstrap/templates/system/page--research-landing-page.html.twig
index 3543550b35446601ebded0c72b7f00da4e311fb5..974d13b3e4eb6b035a12a59365e621813d3b9924 100644
--- a/web/themes/asc_bootstrap/templates/system/page--research-landing-page.html.twig
+++ b/web/themes/asc_bootstrap/templates/system/page--research-landing-page.html.twig
@@ -52,9 +52,7 @@
 
   <div id="main-nav">
     <div class="container">
-        <nav aria-label="Main">
           {{ page.navigation }}
-        </nav>
       </div>
   </div>
   <div id="breadcrumb-container">
diff --git a/web/themes/asc_bootstrap/templates/system/page.html.twig b/web/themes/asc_bootstrap/templates/system/page.html.twig
index abd35bc35be7aa74439224fb969f724cd33267b7..f18b2c3a2af5acf20616177f964c963e1cfe637c 100755
--- a/web/themes/asc_bootstrap/templates/system/page.html.twig
+++ b/web/themes/asc_bootstrap/templates/system/page.html.twig
@@ -52,9 +52,7 @@
 
   <div id="main-nav" class="site-{{ site_name|lower|replace({' ': '-'}) }}">
     <div class="container">
-        <nav aria-label="Main">
           {{ page.navigation }}
-        </nav>
       </div>
   </div>
   <div id="breadcrumb-container">