JSFiddle - React, Tailwind, and code Playground

HTML

<section class="content">
    <h2>News</h2>
    <div class="pubs">
        <p class="newsdate">stuff</p>
    </div>
    <div class="pubs">
        <p class="newsdate">stuff</p>
    </div>
    <div class="pubs">
        <p class="newsdate">stuff</p>
    </div>
</section>

CSS

.pubs .newsdate {
    border-top:1px solid rgb(255,179,0);
}
.pubs:first-of-type .newsdate {
    border:none;
}