JSFiddle - React, Tailwind, and code Playground

HTML

<div class="container">
  <div class="item"></div>
  <div class="item"></div>
  <div class="item"></div>
  <div class="item"></div>
</div>

CSS

.item {
  display: inline-block;
  width: 280px;
  height: 200px;
  background: blue;
}

.container {
  width: 100%;
}