JSFiddle - React, Tailwind, and code Playground

HTML

<main id="content" role="main" class="scroll">
    <div>
        <div id="newsPage" class="container">
            <div class="row" id="newsRow">
                <section class="some-other-area persist-area">
                    <div class="col-md-4 col-sm-6 margin-bottom">
                        <div class="item test3">
                             <h1 class="persist-header"><a href="http://localhost:8888/third-test">Third Test</a></h1>

                            <p>This is a new entry</p>
                            <p>This is a new entry
                                <br>
                            </p>
                            <p>This is a new entry
                                <br>
                            </p>
                            <p>This is a new entry
                                <br>
                            </p>
                            <p>This is a new entry
                                <br>
                            </p>
                            <p>This is a new entry This is a new entry This is a new entry This is a new entry
                                <br>
                            </p>
                            <p>This is a new entry
                                <br>
                            </p>
                        </div>
                    </div>
                </section>
                <section class="some-other-area persist-area">
                    <div class="col-md-4 col-sm-6 margin-bottom">
                        <div class="item">
                             <h1 class="persist-header"><a href="http://localhost:8888/second-test">Second Test</a></h1>

                            <p>This is a new entry</p>
                            <p>This is a new entry
                                <br>
                            </p>
                            <p>This is a new entry
                                <br>
                            </p>
                            <p>This...

CSS

div#newsPage .some-other-area:first-child p:first-of-type {
    background:red
}