JSFiddle - React, Tailwind, and code Playground

HTML

<div>ddd</div>

CSS

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
}
div {
  min-height: 80%;
  background: 
  linear-gradient(to top left, #FFF 0, #FFF 50%, transparent 50.6%,  transparent) bottom no-repeat/ 100% 200px,
  url("http://namonitore.ru/uploads/catalog/other/kapelki_vodi_1600.jpg") no-repeat center center/cover;
}