Update app.py

app.py

@@ -60,7 +60,7 @@ def bot(chat_msg, history=None, audio_tts_checkbox=False):
         messages.append({"role": "assistant", "content": bot_message})
         return "", messages, ""
 
-with gr.Blocks() as demo:
+with gr.Blocks(css_paths="_custom.css") as demo:
     chatbot = gr.Chatbot(type="messages")
     chat_input = gr.Textbox(placeholder="Sende eine Nachricht...", lines=1, max_lines=6, show_label=False, elem_id="chat_input")
     audio_tts_checkbox = gr.Checkbox(label="Audio Antwort generieren?", value=False, elem_classes="toggle-btn")