JSFiddle - React, Tailwind, and code Playground

HTML

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

CSS

html, body {
  height: 100%;
}

body {
  margin: 0;
  background: red;
}

.container {
  /* margin: auto; */
 
  position: relative;
  left: 50%;
  transform: translateX(-50%);

  min-height: 100vh;
  max-width: 200px;
  background: grey;
}

.item {
  position: relative;
  margin-bottom: 1em;
  height: 100px;
  background: white;
}