Align button sizes.

CHANGE: Align button sizes across the Header/Title views.

templates/confirm_company_deletion.html

@@ -6,7 +6,7 @@
         <h1>⚠️ Confirm Company Deletion</h1>
         <p class="subtitle">Critical Action Required - Review All Data Before Proceeding</p>
         <a href="{{ url_for('admin_users') if g.user.role != Role.SYSTEM_ADMIN else url_for('system_admin_users') }}" 
-           class="btn btn-secondary">← Back to User Management</a>
+           class="btn btn-md btn-secondary">← Back to User Management</a>
     </div>
     
     <div class="alert alert-danger">