JSFiddle - React, Tailwind, and code Playground

by Yaroslav Ivanov

HTML

<div class="wrapper">
  <div class="block"></div>
  <div class="block"></div>
  <div class="block"></div>
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</div>

CSS

.block {
  width: 20%;
  height: 100px;
  float: left;
}

.block:nth-child(even) {
  background: #000;
}

.block:nth-child(odd) {
  background: #fff;
  opacity: 0;
}

.wrapper {
  height: 100vh;
  background: url(https://www.smashingmagazine.com/wp-content/uploads/2015/06/10-dithering-opt.jpg);
  background-size: 100%;
}