JSFiddle - React, Tailwind, and code Playground

HTML

<section id="page">
  <header>Header</header>
  <nav>Navigation</nav>
  <main>Main area</main>
  <footer>Footer</footer>
</section>

CSS

#page {
  display: -ms-grid;
  display: grid;
  width: 100%;
  height: 250px;
  grid-template-areas: "head head" "nav  main" "nav  foot";
  -ms-grid-rows: 50px 1fr 30px;
      grid-template-rows: 50px 1fr 30px;
  -ms-grid-columns: 150px 1fr;
      grid-template-columns: 150px 1fr; }

#page > header {
      grid-area: head;
  background-color: #8ca0ff; }

#page > nav {
      grid-area: nav;
  background-color: #ffa08c; }

#page > main {
      grid-area: main;
  background-color: #ffff64; }

#page > footer {
      grid-area: foot;
  background-color: #8cffa0; }