JSFiddle - React, Tailwind, and code Playground

by TheDiamondDoge

HTML

<div class="container">
  <div class="nav">1</div>
  <div class="header">2</div>
  <div class="page">3</div>
</div>

CSS

html, body {
  height: 100%;
}

div {
  border: 1px solid black;
}

.container {
  display: grid;
  grid-template-areas:
    "nav header"
    "nav page";
  grid-template-rows: 50px 100vh;
  grid-template-columns: 150px 1fr;
}

.nav {
  grid-area: nav;
}

.header {
  grid-area: header;
}

.page {
  grid-area: page;
}