Update app.py

app.py

@@ -533,5 +533,10 @@ if __name__ == "__main__":
         server_name=SERVER_NAME,
         server_port=SERVER_PORT,
         share=SHARE,
-        theme=gr.themes.Default(),
+        theme=gr.themes.Soft(
+            primary_hue="sky",
+            secondary_hue="blue",
+            neutral_hue="slate",
+            radius_size="lg",
+        ),
     )