Nintex templates download as I was investigating some issue with their search bar. In the header file, if you have multiple '<input' (like we would normally do for language switcher options) it negates the button being clickable at all.

Custom_Templates/customer_templates/Nintex University/_course_header.html.liquid

@@ -0,0 +1,23 @@
+<div class="np-top-vocabulary np-text-title np-text-muted">
+  <span class="lang-en-US">{{ current_school.course_vocabulary }}</span>
+  <span class="lang-es">Curso</span>
+  <span class="lang-fr">Cours</span>
+  <span class="lang-de">Kurs</span>
+  <span class="lang-en-GB">Course</span>
+  <span class="lang-nl">Cours</span>
+  <span class="lang-pt-BR">Curso</span>
+  <i class="far fa-graduation-cap np-button-color np-learning-path-icon np-hidden-mobile"></i>
+</div>
+<div class="np-top-title">
+  <a
+    href="{% route home %}"
+    class="np-back-button"
+    aria-label="{% t shared.go_back %}">
+    <i class="far fa-arrow-left np-hidden-mobile np-icon-back"></i>
+  </a>
+  {{ course.name }}
+</div>
+<img
+  src="{{ course.image_url }}"
+  class="np-top-image np-hidden-desktop"
+  alt="{{ course.name }}" />