Update app.py

app.py

@@ -89,6 +89,9 @@ with gr.Blocks() as demo:
         outputs=gr.Image(type="pil", label="Output Image"),
         title="<br>To see the complete code, click Files at upper right corner, in app.py"
     )
+    gr.Markdown("# Big Title")
+    gr.Markdown("## Medium Title")
+    gr.Markdown("### Smaller Title")
     gr.Markdown("The model is adjusted to only detect car and traffic light. Example output:")
     gr.Image(
         value="exap1.JPG",