diff -u b/core/profiles/demo_umami/themes/umami/js/components/navigation/menu-main/menu-main.es6.js b/core/profiles/demo_umami/themes/umami/js/components/navigation/menu-main/menu-main.es6.js
--- b/core/profiles/demo_umami/themes/umami/js/components/navigation/menu-main/menu-main.es6.js
+++ b/core/profiles/demo_umami/themes/umami/js/components/navigation/menu-main/menu-main.es6.js
@@ -9,23 +9,23 @@
   );
   const menu = document.querySelector('[data-drupal-selector="menu-main"]');
 
-   menu.classList.toggle('menu-main--collapsed');
-   toggler.setAttribute('aria-expanded', 'false');
-   toggler.setAttribute('aria-controls', menu.getAttribute('id'));
+  menu.classList.toggle('menu-main--collapsed');
+  toggler.setAttribute('aria-expanded', 'false');
+  toggler.setAttribute('aria-controls', menu.getAttribute('id'));
 
-   function toggleMenu() {
-     const expanded = toggler.getAttribute('aria-expanded');
+  function toggleMenu() {
+    const expanded = toggler.getAttribute('aria-expanded');
 
-     menu.classList.add('menu-main--transition');
-     menu.classList.toggle('menu-main--collapsed');
-     toggler.classList.toggle('menu-main-toggle--active');
+    menu.classList.add('menu-main--transition');
+    menu.classList.toggle('menu-main--collapsed');
+    toggler.classList.toggle('menu-main-toggle--active');
 
-     if (expanded === 'false') {
-       toggler.setAttribute('aria-expanded', 'true');
-     } else {
-       toggler.setAttribute('aria-expanded', 'false');
-     }
-   }
+    if (expanded === 'false') {
+      toggler.setAttribute('aria-expanded', 'true');
+    } else {
+      toggler.setAttribute('aria-expanded', 'false');
+    }
+  }
 
   toggler.addEventListener('click', toggleMenu);
 })();