JSFiddle - React, Tailwind, and code Playground

HTML

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

CSS

.container {
  position: relative;
  height: 200px;
  max-width: 500px;
  margin: 0 auto;
  background-color: rgba(0, 0, 0, 0.4);
}

.container::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  z-index: -1;
  width: calc(50% + 50vw);
  height: 100%;
  background: url('http://lorempixel.com/1000/200') no-repeat;
  background-size: cover;
}























html {
  box-sizing: border-box;
}

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

body {
  margin: 0;
}