diff --git a/swarmlab/index-doc.html b/swarmlab/index-doc.html
index 7ff06c4..ac1d88e 100644
--- a/swarmlab/index-doc.html
+++ b/swarmlab/index-doc.html
@@ -264,8 +264,8 @@ Swarmlab is a powerful collaboration tool that connects tutors and students in a
 
 
                 <!-- Cardsrow menou it would be useful-->
-                <div class="layout-margin-12 mt-4">
-                                <h3 class="card-title p-3 mb-2 bg-info text-white"><b>It would be useful!</b></h3>
+                <div class="layout-margin-12 mt-4 text-center">
+                                <h3 class="mb-2 bg-info text-white text-center"><b>It would be useful!</b></h3>
 		</div>
                 <!-- Cardsrow menou it would be useful-->