D8: Video Embed HTML Snippet

Code

<div class="field__item">
<div class="video-embed-field-responsive-video">
<iframe allowfullscreen="allowfullscreen" frameborder="0" height="480" src="https://www.youtube.com/embed/8TjL98FCf5w?autoplay=0&amp;start=0&amp;rel=0" width="854">
</iframe>
</div>
</div>

Video Output