JSFiddle - React, Tailwind, and code Playground

by Yuriy Petrichenko

HTML

<div class="overlay">
</div>

CSS

.overlay {
  position: absolute;
  background-color: rgb(0, 0, 0);
  z-index: 9999;
  height: 100vh;
  width: 100%;
  top: 0;
  left: 0;
}