JSFiddle - React, Tailwind, and code Playground

HTML

<p class="button">Show/hide<p>

<div> I want to hide this by pressing the button above </div>

CSS

.button {
    display: block;
    height: 20px;
    width: 100px;
    background: lightgreen;
    text-align: center;
    padding: 5px;
    font: 15px Tahoma;
    border: 1px solid black;
    text-decoration: none;
    list-style:none;
    margin: 10px 0px 10px 0px;
}
#showhide {
    display: none;
}