Update app.py

app.py

@@ -97,7 +97,11 @@ def send_to_sandbox(code):
     data_uri = f"data:text/html;charset=utf-8;base64,{encoded_html}"
     return f"<iframe src=\"{data_uri}\" width=\"100%\" height=\"920px\"></iframe>"
 
-with gr.Blocks(css_paths="app.css") as demo:
+
+theme = gr.themes.Soft()
+
+
+with gr.Blocks(css_paths="app.css",theme=theme) as demo:
     history = gr.State([])
     setting = gr.State({
         "system": SystemPrompt,