img seems not to work

app.py

@@ -100,7 +100,7 @@ if __name__ == "__main__":
                 ## Instructions
                 * Based on this [example]() , write a MicroPython code that will light up a red LED connected to pin `21` for 3 seconds. Once the 3 seconds have elapsed, make this LED blink every second (1 second off, then 1 second on) indefinitely!
                 
-                <img src="gradio_api/file/assets/blink.gif" alt="Level crossing light" width="64" style="margin-top: 16px; margin-bottom: 16px; margin-left: 50%; margin-right: 50%" />
+                ![Level crossing light](gradio_api/file/assets/blink.gif){width=64}
                 
                 * You can use the [Vittascience simulator](https://fr.vittascience.com/esp32/?mode=code&console=bottom&toolbox=scratch&simu=1&board=basic-esp32) to test your code.
                 * Copy and paste your code into the code editor on the right.