JSFiddle - React, Tailwind, and code Playground

HTML

<div>
  <div class="remember">
    <a class="foo">INSIDE text (Should be black)</a>
  </div> 
</div>

<br>
<a class="foo">OUTSIDE text (Should be red)</a>

CSS

a.foo{color:red;}
.remember a.foo{color:black;}