JSFiddle - React, Tailwind, and code Playground

HTML

<div>sometext</div>
<div class="line">test here</div>
<div>again some text</div>

CSS

.line {
     height: 0.5em;
    text-align: center;
   
    border-bottom: 2px solid Red;
    margin-bottom: 0.5em;
}
.line:first-line {
    background-color: white;
}