JSFiddle - React, Tailwind, and code Playground

HTML

<!-- контент -->
<div class="video">
<iframe class="iframe1" src="https://www.youtube.com/embed/Uy6zBI_zLWA" allow="accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture" allowfullscreen="" width="560" height="315" frameborder="0"></iframe>
</div>
<!-- футер -->

CSS

.video{
  text-align: center;
}