JSFiddle - React, Tailwind, and code Playground
HTML
<p class="foo">a</p>
<p class="foo">b</p>
<p class="foo">c</p>
<p class="foo">d</p>
<div class="foo">A</div>
<div class="foo">B</div>
<div class="foo">C</div>
<div class="foo">D</div>CSS
.foo:nth-of-type(2) { color: green; }