Update app.py

app.py

@@ -53,6 +53,8 @@ outputs = gr.outputs.HTML()
 title = "<h1 style='text-align: center;'>Image Classifier</h1>"
 description = "Upload an image and get the predicted class."
 
+gr.Interface(css="body {background-image: url('file=wave.jpg')}")
+
 gr.Interface(fn=classify_image, 
              inputs=inputs, 
              outputs=outputs,