JSFiddle - React, Tailwind, and code Playground

HTML

<div class="line"></div>
<div class="line"></div>
<div class="line"></div>
<div class="line"></div>
<div class="line"></div>

CSS

.line {
  background-color: pink;
  /*  border-bottom: 1px solid pink; */
  margin: 20px auto;
  width: 80%;
  height: 1px;
}