Update index.html

index.html

@@ -1036,7 +1036,7 @@
         }
 
         async function run() {
-            document.getElementById('messageInput').style.height = 'auto';
+            document.getElementById('messageInput').style.height = "2.5rem";
             const msg = document.querySelector("#messageInput");
             const msgText = msg.value;
             const maxTokens = document.querySelector("#maxTokens");