Video

<div class="videoWrapper">

    <!-- Copy & Pasted from YouTube -->

   <iframe width="560" height="315" src="https://www.youtube.com/embed/3gNSN0-yoHM" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" allowfullscreen></iframe>

</div>

<style>

.videoWrapper {

position: relative;

padding-bottom: 56.25%; /* 16:9 */

padding-top: 25px;

height: 0;

}

.videoWrapper iframe {

position: absolute;

top: 0;

left: 0;

width: 100%;

height: 100%;

}

</style>