diff --git a/_includes/footer.html b/_includes/footer.html
index b2f0715..83bacb3 100644
--- a/_includes/footer.html
+++ b/_includes/footer.html
@@ -6,21 +6,22 @@
           This site is crated and maintained by Quang
         </a>
       </div>
-        <div class="col-md-auto text-end social-media-icons">
+      <div class="col-md-auto text-end social-media-icons">
           {% for item in site.data.settings.social %}
             <a href="{{ item.link }}" class="ms-3 fs-4">
               <i class="fab fa-{{ item.icon }}"></i>
             </a>
           {% endfor %}
-        </div>
+      </div>
     </div>
+
     </div class="row justify-content-md-center">
-       <div class="col col-md-auto">
+       <div class="col-md-auto">
          <a href="https://www.csc.fi" >Acknowledgement to CSC-IT Center for Science of Finland</a>
        </div>
-       <div class="col col-md-auto">
+       <div class="col-md-auto">
         <a href="https://www.lumi-supercomputer.eu" >and LUMI-Large Unified Modern Infrastructure consortium for HPC supports</a>
-      </div>
+       </div>
     </div>