Update app.py

app.py

@@ -671,7 +671,7 @@ def process_feedback_and_regenerate(feedback, *args):
     new_args.append(feedback)  # Add user feedback as a new argument
     return validate_and_generate_audio(*new_args)
 
-with gr.Blocks(title="PDF to Audio", css="""
+with gr.Blocks(theme="Nymbo/Nymbo_Theme", title="PDF to Audio", css="""
     #header {
         display: flex;
         align-items: center;