Update app.py

app.py

@@ -66,7 +66,8 @@ class Model3d_generater:
       print("error on _download_3d")
 
   def interface(self):
-    with gr.Blocks(css=".gradio-container {background-color: red}") as demo:
+    with gr.Blocks(css=""".gradio-container {background: rgb(157,228,255);
+        background: radial-gradient(circle, rgba(157,228,255,1) 0%, rgba(18,115,106,1) 100%);}""") as demo:
       with gr.Row():
         prompt=gr.Textbox("Prompt")