Update app.py

app.py

@@ -201,7 +201,7 @@ css = '''
 .gradio-container{max-width: 560px !important}
 h1{text-align:center}
 '''
-with gr.Blocks(css=css, theme="xiaobaiyuan/theme_brief") as demo:
+with gr.Blocks(css=css, theme="snehilsanyal/scikit-learn") as demo:
     gr.Markdown(DESCRIPTIONs)
     gr.DuplicateButton(
         value="Duplicate Space for private use",