fix(ui): make dropdown button full width

Updated the dropdown button to occupy full width for better responsiveness and improved UX, particularly on smaller screens. This change ensures a consistent layout regardless of device size.

templates/index.html

@@ -64,7 +64,7 @@
             </p>
             {% for link in service.links %} {% if link.alternatives %}
             <div class="button-wrapper dropdown">
-              <div class="btn btn-primary shadow">
+              <div class="btn btn-primary w-100 shadow">
                 <a class="main-link" href="{{ link.url }}">{{ link.name }}</a>
                 <div class="dropdown-toggle-area">&#9660;</div>
               </div>