JSFiddle - React, Tailwind, and code Playground

HTML

<div id="block">
  <div id="preview_phone">ff</div>
</div>

CSS

#block {
  width: 300px;
}

#preview_phone {
  background: url('http://s8.hostingkartinok.com/uploads/images/2016/03/a869b1ec766079920c272a4414cd7369.png') no-repeat;
  background-size: cover;
}