JSFiddle - React, Tailwind, and code Playground

by brigand

HTML

<div class="outer">
  <div class="inner"></div>
</div>

CSS

.outer, .inner {
  box-sizing: border-box;
  position: relative;
  display: flex;
}
.outer {
  background: black;
}
.inner {
  width: 50px;
  height: 50px;
  margin: 15px;
  background: white;

}