JSFiddle - React, Tailwind, and code Playground

HTML

<div class="container">
  <div class="reply">
    <p>wonderful paragraph1</p>
    <hr>
    <p>wonderful paragraph2</p>
    <hr>
    <p>wonderful paragraph3</p>
    <hr>
  </div>
</div>

CSS

div.reply hr:last-child {display:none;}