diff --git a/leaderboard.html b/leaderboard.html
index 88e514d..a5c61e3 100644
--- a/leaderboard.html
+++ b/leaderboard.html
@@ -213,6 +213,26 @@
             width: 100%; 
             height: 720px;
         }
+
+        
+        .responsive-iframe-container {
+            position: relative;
+            width: 100%;
+            padding-bottom: 56.25%; /* 16:9 aspect ratio */
+            height: 0;
+            overflow: hidden;
+        }
+
+        .responsive-iframe-container iframe {
+            position: absolute;
+            top: 0;
+            left: 0;
+            width: 100%;
+            height: 100%;
+            border: 0;
+        }
+
+        
         
 
     </style>
@@ -280,7 +300,7 @@ <h1 align="center">Leaderboard</h1> <br />
 
                     <div class="toggle-div" id="global">
                         <br /> <hr />
-                        <iframe class="sec" align="center" seamless frameborder="0" scrolling="yes" src="https://docs.google.com/spreadsheets/d/e/2PACX-1vSL6qw9cokBYoe_GbE21KeeXoo38EKnM-TI5fHaj1xJjxZEpUJR0UqMFsGHcwGnVJdeHGucle4vLaj9/pubchart?oid=302752031&amp;format=interactive"></iframe>
+                        <iframe class="responsive-iframe-container" align="center" seamless frameborder="0" scrolling="no" src="https://docs.google.com/spreadsheets/d/e/2PACX-1vSL6qw9cokBYoe_GbE21KeeXoo38EKnM-TI5fHaj1xJjxZEpUJR0UqMFsGHcwGnVJdeHGucle4vLaj9/pubchart?oid=302752031&amp;format=interactive"></iframe>
                     </div>
                     
                     <p>Not satisfied with your score? Can you beat the top score? Take the study again <a href="https://bit.ly/endgen" style="color:blue">here !</a> It is allowed...</p>