Update app.py

app.py

@@ -3,7 +3,7 @@ import os
 def welcome(name):
     return f"Welcome to Gradio, {name}!"
 
-with gr.Blocks(css="body {background-color: red}") as demo:
+with gr.Blocks() as demo:
     gr.Markdown(
     """
     # Listen to a sample 🎵!
@@ -21,4 +21,4 @@ with gr.Blocks(css="body {background-color: red}") as demo:
     inp.change(welcome, [inp,inp1], out)
     
 if __name__ == "__main__":
-    demo.launch()
+    demo.launch(css="body {background-color: red}")