JSFiddle - React, Tailwind, and code Playground

by ChangJoo Park

HTML

<div class="demo">
<iframe width="560" height="315" src="//www.youtube.com/embed/f890SC1schE" frameborder="0" allowfullscreen></iframe>
</div>

CSS

.demo {
    position: relative;
    padding-top: 25px;
    padding-bottom: 67.5%;
    height: 0;
}
.demo iframe {
    box-sizing: border-box;
    background: url(http://i.stack.imgur.com/zZNgk.png) center center no-repeat;
    background-size: contain;
    padding: 11.9% 15.5% 14.8%;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}