Update app.py

app.py

@@ -47,8 +47,6 @@ demo = gr.ChatInterface(
     fn=generate,
     chatbot=mychatbot,
     title="Hello! I'm Elisa by SpriFi.👋 How can I help you today?",
-    retry_btn=None,
-    undo_btn=None,
     css="body { background-color: inherit; overflow-x:hidden;}"
                         ":root {--color-accent: transparent !important; --color-accent-soft:transparent !important; --code-background-fill:black !important; --body-text-color:white !important;}"
                         "#component-2 {background:#ffffff1a; display:contents;}"
@@ -73,7 +71,7 @@ demo = gr.ChatInterface(
                         ".toast-wrap.svelte-pu0yf1 { display:none !important;}"
                         ".scroll-hide { scrollbar-width: auto !important;}"
                         ".main svelte-1kyws56 {max-width: 800px; align-self: center;}"
-    
+                        "div#component-4 {max-width: 650px;    margin-left: auto;    margin-right: auto;}"    
 )
 
 demo.queue().launch(show_api=False)