Update app.py

app.py

@@ -282,9 +282,9 @@ def image_processing(image, filter_type):
     return cv2.cvtColor(output, cv2.COLOR_BGR2RGB) if len(output.shape) == 3 else output
     
 
-css = 
+css = """
 ".gradio-container {background: url(https://upload.wikimedia.org/wikipedia/commons/4/49/Abstract_-_Coconut_Leaf_%28Imagicity_186%29.jpg)}"
-
+"""
 
 # Gradio interface
 with gr.Blocks(theme=theme, css=css) as app: