JSFiddle - React, Tailwind, and code Playground

HTML

<div class="content1">1</div>
<div class="content2">2</div>
<div class="content3">3</div>
<div class="content4">4</div>
<div class="content5">5</div>
<div class="content6">6</div>
<div class="content7">7</div>
<div class="content8">8</div>

CSS

div[class^="content"]:nth-of-type(n+2):nth-of-type(-n+6){
   font-size: 2em;
}