added css to h-[40vh]

app.py

@@ -50,6 +50,9 @@ def chatbot(message, history):
 css = """
 footer {display:none !important}
 .output-markdown{display:none !important}
+.h-[40vh]{
+height:65vh !important;
+}
 .gr-button-primary {
     z-index: 14;
     height: 43px;