>

<div class="youtube-container" style="--max-width: 560px">
    <div class="youtube-aspect-ratio">
        <iframe src="https://www.youtube.com/embed/XGC31lmdS6s?autoplay=1&amp;mute=1" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture" allowfullscreen="">
        </iframe>
    </div>
</div>

<p>you can also set up custom size by specifying the width (the aspect ratio has been set to 16/9). The default size is 560 pixels x 315 pixels.</p>

<p>Th