JSFiddle - React, Tailwind, and code Playground

HTML

<div id="first">
    Welcome Visitor
</div>

<p>You must see the <b>YELLOW</b> box above. Run again and it won't show anymore.</p>

<hr>

<div id="restore">RESTORE AND MAKE IT FIRST TIME [CLICK + RELOAD]</div>

CSS

#first {
    background: yellow;
    font-size: 24px;
    text-align: center;
    display: none;
}