diff --git a/public/white-paper/index.html b/public/white-paper/index.html
index b1bbe1f..3061bd8 100644
--- a/public/white-paper/index.html
+++ b/public/white-paper/index.html
@@ -113,6 +113,13 @@
       }
     }
 
+    @media only screen and (max-width: 980px) {
+      .auth-btn {
+        width: 100%;
+        margin-bottom: 20px;
+      }
+    }
+
     @media only screen and (min-width: 600px) {
 
       .mobile-pdf {
@@ -172,7 +179,7 @@
           </li>
         </ul>
       </div>
-      <a class="btn btn-primary auth-btn mt-lg-0 mt-md-0 mt-sm-4 mt-4 mx-auto"
+      <a class="btn btn-primary auth-btn mt-lg-0 mt-md-4 mt-sm-4 mt-4 mx-auto"
         href="https://github.com/apps/tea-xyz/installations/new" role="button">Authenticate with tea<span
           class="badge rounded-pill bg-primary ms-3"><span id="count1"></span></span></a>
     </div>