JSFiddle - React, Tailwind, and code Playground

HTML

<div id="grad1">
  
</div>

CSS

body {
  background-color:red;
}
#grad1 {

height: 100px;
width:100%;
background:linear-gradient(521deg, rgba(138,138,138,0)  50%, rgba(138,138,138,0)  31.9%, #fff 0.1%, #fff 0%);
}