update gradio theme

app.py

@@ -66,6 +66,8 @@ article = "Created based on [09. PyTorch Model Deployment](https://www.learnpyto
 # Create examples list from "examples/" directory
 example_list = [["examples/" + example] for example in os.listdir("examples")]
 
+theme = gr.Theme.from_hub("gstaff/xkcd")
+
 # Create the Gradio demo
 demo = gr.Interface(fn=predict,  # mapping function from input to output
                     inputs=gr.Image(type="pil"),  # what are the inputs?
@@ -76,6 +78,7 @@ demo = gr.Interface(fn=predict,  # mapping function from input to output
                     examples=example_list,
                     title=title,
                     description=description,
+                    theme=theme,
                     article=article)
 
 # Launch the demo!