diff --git a/app/views/layouts/application.html.erb b/app/views/layouts/application.html.erb
index 1d2c1c7e..454c49db 100644
--- a/app/views/layouts/application.html.erb
+++ b/app/views/layouts/application.html.erb
@@ -11,6 +11,8 @@
   </head>
 
   <body>
-    <%= yield %>
+    <main role="main">
+      <%= yield %>
+    </main>
   </body>
 </html>
diff --git a/app/views/welcome/index.html.erb b/app/views/welcome/index.html.erb
index be4bade8..06427ba9 100644
--- a/app/views/welcome/index.html.erb
+++ b/app/views/welcome/index.html.erb
@@ -15,3 +15,30 @@
   <span data-hello-target="output">
   </span>
 </div>
+
+
+<h2>Bootstrap JS check</h2>
+
+<!-- Button trigger modal -->
+<button type="button" class="btn btn-primary" data-bs-toggle="modal" data-bs-target="#exampleModal">
+  lauch modal
+</button>
+
+<!-- Modal -->
+<div class="modal fade" id="exampleModal" tabindex="-1" aria-labelledby="exampleModalLabel" aria-hidden="true">
+  <div class="modal-dialog">
+    <div class="modal-content">
+      <div class="modal-header">
+        <h1 class="modal-title fs-5" id="exampleModalLabel">Modal title</h1>
+        <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
+      </div>
+      <div class="modal-body">
+        ...
+      </div>
+      <div class="modal-footer">
+        <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">Close</button>
+        <button type="button" class="btn btn-primary">Save changes</button>
+      </div>
+    </div>
+  </div>
+</div>
