JSFiddle - React, Tailwind, and code Playground

HTML

<div style="background-image: url(https://placeimg.com/640/480/any)"></div>
<div style="background-image: url(https://placeimg.com/640/580/any)"></div>
<div style="background-image: url(https://placeimg.com/840/480/any)"></div>

CSS

*,
:before,
:after {
  box-sizing: border-box;
}

body {
  margin: 0;
}

div {
  width: 100vw;
  height: 100vh;
  background-size: cover;
  background-position: center center;
  background-repeat: no-repeat;
}