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

div:not(.remember) .foo
        {
          color:red;
        }