JSFiddle - React, Tailwind, and code Playground

HTML

<div class="effect">
    asdfsdfasdf
    <br/>
    asdfsdfasdf
    <br/>
    asdfsdfasdf
    <br/>
    asdfsdfasdf
    <br/>
    asdfsdfasdf
    <br/>
    asdfsdfasdf
    <br/>
</div>
<div class="effect">
    asdfsdfasdf
    <br/>
    asdfsdfasdf
    <br/>
    asdfsdfasdf
    <br/>
    asdfsdfasdf
    <br/>
    asdfsdfasdf
    <br/>
    asdfsdfasdf
    <br/>
</div>

CSS

div:first-child{
    background-color: #ee00ee;
}

div:last-child{
    background-color: #00ee00;
}

JavaScript

$(document).ready(function(){
    setTimeout(function(){
        $("div:first-child").hide();
    }, 2000);
});