JSFiddle - React, Tailwind, and code Playground

HTML

<img src="http://www.fnordware.com/superpng/pnggrad8rgb.png" class="background">

CSS

body {
  //background:url(http://www.fnordware.com/superpng/pnggrad8rgb.png) repeat;
  -webkit-print-color-adjust: exact;
}

.background {
  width: 100%;
  height: 100%;
  position: absolute;
  background: transparent url("http://www.fnordware.com/superpng/pnggrad8rgb.png") repeat scroll 0% 0%;
  //background-repeat: repeat-x;
}