JSFiddle - React, Tailwind, and code Playground

HTML

<div class="wrap">
  <div>ТЕКСТ</div>
  <div>ТЕКСТ</div>
</div>

CSS

.wrap {
  display: flex;
  justify-content: space-between;
  background: linear-gradient(-45deg, #fff 0, #fff 50%, #999 50.1%, #999 100%);
}