JSFiddle - React, Tailwind, and code Playground

HTML

<div id="outer">
  <div id="firstParent">
    <a>abc</a>
    <a>def</a>
    <a>hij</a>
  </div>
  <div id="secondParent">
    <a>klm</a>
    <a>opq</a>
  </div>
</div>

CSS

#outer a:not(:first-child){
  color: red;
}