JSFiddle - React, Tailwind, and code Playground

by jessuni

HTML

<div class="parent">
  <div class="child">
  </div>
</div>

CSS

.parent {
  width: 40px;
  aspect-ratio: 4 / 5；
  background: green;
}
.child {
  width: 40px;
  height: 64px;
  background: red;
}