<div class="video">
<iframe width="560" height="315" src="https://www.youtube.com/embed/rhxQoDlt2AU" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe>
</div>
.video{
position: relative;
padding-top: calc(9 / 16 * 100%);
}
iframe{
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
}
This Pen doesn't use any external CSS resources.
This Pen doesn't use any external JavaScript resources.