JSFiddle - React, Tailwind, and code Playground

HTML

<div class="showhim">Press ME
    <div class="showme">Working</div>
</div>

<div class="cont">
    <div class="showme" id='makeMeWork'>Not Working</div>
    <div class="showhim" id='clickMe'>Press ME</div>
</div>

CSS

.showme {
    display: none;
    background-color:red;
    width:200px;
    height:50px;
}
.showhim:active .showme {
    display : block;
    background-color:green;
}
.cont:active .showme{
    display : block;
    background-color:green;
}