JSFiddle - React, Tailwind, and code Playground

HTML

<div id="container">
  <div>
    <div class="title">Title 1</div>
     
  </div>
  <bar>
    <div class="title">Title 2</div>
  </bar>
</div>

CSS

#container > *:first-child > .title:first-child { color:red; }