Update app.py

app.py

@@ -6,7 +6,7 @@ def change_bg_color(r, g, b):
     return f"<div style='background-color:{color}; width:100vw; height:100vh;'></div>"
 
 # Create Gradio interface
-with gr.Blocks() as demo:
+with gr.Blocks(fill_width=True) as demo:
     with gr.Row():
         r_slider = gr.Slider(0, 255, label="Red", value=128)
         g_slider = gr.Slider(0, 255, label="Green", value=128)