JSFiddle - React, Tailwind, and code Playground

by Alex

HTML

<div class="box">
  <div class="box-itm d1"></div>
  <div class="box-itm d1"></div>
  <div class="box-itm"></div>
  <div class="box-itm d1"></div>
  <div class="box-itm d1"></div>
  <div class="box-itm"></div>
  <div class="box-itm"></div>
  <div class="box-itm d1"></div>
  <div class="box-itm d1"></div>
  <div class="box-itm"></div>
</div>

CSS

html {
  background: #fff;
  font-family: sans-serif;
}

.box {
  display: flex;
  flex-wrap: wrap;
}
.box-itm {
  background: #eee;
  width: 50px;
  height: 50px;
  margin: 3px;
}
.d1:nth-of-type(2n) {
  background: #800;
}