Update app.py

app.py

@@ -274,7 +274,7 @@ def check_api_key(api_key):
     return True
 
 # Create Gradio Interface
-with gr.Blocks(title="OpenAI Audio Chat App") as app:
+with gr.Blocks(title="OpenAI Audio Chat App", theme=gr.themes.Ocean()) as app:
     gr.Markdown("# OpenAI Audio Chat App")
     gr.Markdown("Interact with GPT-4o audio model through text and audio inputs")