JSFiddle - React, Tailwind, and code Playground

HTML

<article>
  <section></section>
  <section></section>
  <section></section>
</article>

CSS

article {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  grid-template-rows: 25px;
  grid-gap: 10px;
  border: 1px solid red;
  width: 100px;
}

section {
  border: 1px solid blue;
}