JSFiddle - React, Tailwind, and code Playground

HTML

<div class="text-container">
  <span>Hello World</span>
</div>

CSS

.text-container {
  height:200px;
  width:400px;
  border: 1px solid #000;
  text-align: center;
}

.text-container span {
  display: block;
  position: relative;
  top: 50%;
  transform: translateY(-50%);
}