Update app.py

app.py

@@ -99,7 +99,7 @@ height : 50%;
 
 /* Container for the entire chat interface */
 #chat-interface {
-  display: flex;x
+  display: flex;
   flex-direction: column;
   max-width: 80%; /* Ensure maximum width */
   height: 100vh;
@@ -112,7 +112,7 @@ height : 50%;
   flex-grow: 1;
   overflow-y: auto;
   background: none;
-  max-height: 50%;
+  max-height: 25%;
 }
 
 /* Styling for the chatbot bubble messages */