JSFiddle - React, Tailwind, and code Playground

by WoJWoJ

HTML

<div>
</div>

CSS

body {
  background:black;
}
div {
  background: linear-gradient(to right,black 0%, black 44.03819444444444%,black 44.03819444444444%, lightgray 47.85069444444445%,lightgray 47.85069444444445%, lightgray 67.08564814814815%,lightgray 67.08564814814815%, black 70.89756944444444%,black 70.89756944444444%, black 94.08391203703704%,black 94.08391203703704%, lightgray 97.90451388888889%
);
  height:200px;
  width:100%;
}