JSFiddle - React, Tailwind, and code Playground

HTML

<div>
  <p class="exampleText">Example text</p>
</div>

CSS

div {
  background-color: yellow;
  width: 120px;
  height: 120px;
}

.exampleText {
  writing-mode: vertical-lr;
  margin-top: 20px;
  background-color: #c8c800;
}