JSFiddle - React, Tailwind, and code Playground

HTML

<div class="parent">
  <div class="child">Divide by zero...</div>
  <span class="child">Foo this<br/>bar!</span>
</div>

CSS

.parent {
  display: table-cell;
  vertical-align: middle;
  width: 500px;
  height: 300px;
  background-color: blue;
}
      
.child {
  display: block;
  border: 1px solid red;
}