Update app.py

app.py

@@ -18,13 +18,10 @@ def generate_response(model_name, message, chat_history):
 with gr.Blocks(
     css=".contain { display: flex !important; flex-direction: column !important; }"
     "#chatbot { flex-grow: 1 !important; overflow: auto !important; }"
-    "#col { height: calc(100vh - 112px - 16px) !important; }",
-    # "#submit:hover { background-color: green !important; }"
-    # "#clear { background-color: darkred !important; }",
-    theme=gr.themes.Soft(font=[gr.themes.GoogleFont("Martel Sans")]).set(
-    button_cancel_background_fill_hover_dark='*darkred',
-    button_cancel_background_fill_hover='*darkred'
-    )                   
+    "#col { height: calc(100vh - 112px - 16px) !important; }"
+    "#submit:hover { background-color: green !important; }"
+    "#clear { background-color: darkred !important; }",
+    theme=gr.themes.Soft(font=[gr.themes.GoogleFont("Martel Sans")])                  
 ) as demo:
     gr.Markdown("# GPT4All Chatbot")
     with gr.Row():