JSFiddle - React, Tailwind, and code Playground

HTML

<div class="container">
  <input value="hello"/>
  <div class="other-thing">
    x
  </div>
</div>

CSS

.container {
  grid-template-columns: 1fr 24px;
  grid-template-rows: 1fr;
  display: grid;
  justify-content: center;
  align-items: center;
  width: 100px;
}