JSFiddle - React, Tailwind, and code Playground

by Wagner Souza

HTML

<div class="row"></div>
<div class="row"></div>
<div class="row"></div>
<div class="row"></div>

CSS

.row{
  padding: 10px;
  margin: 1px;
}
.row:nth-child(2n) { 
  background: blue;
}
.row:nth-child(2n+1){ 
  background: darkblue;
}