JSFiddle - React, Tailwind, and code Playground

HTML

<div class="about-team-right">Just writing a quick note to tell you how very happy we are with our new addition to our family... Our "Molly" is such an adorable puppy... <a id="rm">READ MORE</a>

    <div class="readmore1">Lorem ipsum dolor sit amet, consectetur adipisicing elit. Tenetur, qui est quo consequuntur esse iure tempora. Hic tenetur nemo repudiandae quae unde sed aliquid deleniti ad! Facilis, reprehenderit culpa mollitia.</div></div>

CSS

.readmore1 {
    display: none;
}
#rm:hover + .readmore1 {
    display: block;
    height: 100px;
    width: 200px;
}