JSFiddle - React, Tailwind, and code Playground

HTML

<div class="multiple-alerts">
  <div class="cls high"><span>high</span></div>
  <div class="cls high"><span>high</span></div>
  <div class="cls normal"><span>normal</span></div>
  <div class="cls normal"><span>normal</span></div>
</div>

CSS

div.multiple-alerts .high:first-child span{ color: yellow; }

div.multiple-alerts .normal:first-child span{ color: yellow; }