JSFiddle - React, Tailwind, and code Playground

by krustnic

HTML

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

CSS

html, body {
  /* height: 100%; */
  margin: 0;
}

.container {
  /* position: relative; */
  background-color:green;
  height: 100%;
}

.child {
  background-color: red;
  
  position: absolute;
  top: 0;
  left: 0;
  right: 25%;
  bottom: 0;
}