JSFiddle - React, Tailwind, and code Playground

by Christian Sonne

HTML

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

CSS

.container {
  height: 400px;
  display: flex;
  width: 720px;
  background: url(http://lorempixel.com/720/400/people/) top left;
}

.bar {
  flex: 1;
  margin: 0 10px;
  height: 400px;
  width: 160px;
}

.bar:nth-child(1) {
  background: radial-gradient( ellipse 1500px 500px at 720px 0, transparent 0%, transparent 50%, #A2D39C 50%, #A2D39C 100%);
}
.bar:nth-child(2) {
  background: radial-gradient( ellipse 1500px 500px at 540px 0, transparent 0%, transparent 50%, #FFF568 50%, #FFF568 100%);
}
.bar:nth-child(3) {
  background: radial-gradient( ellipse 1500px 500px at 360px 0, transparent 0%, transparent 50%, #FBAE5C 50%, #FBAE5C 100%);
}
.bar:nth-child(4) {
  background: radial-gradient( ellipse 1500px 500px at 180px 0, transparent 0%, transparent 50%, #F26D7E 50%, #F26D7E 100%);
}