JSFiddle - React, Tailwind, and code Playground

HTML

<div id="show">
    <a href="#show" id="open">Open</a>
    <div id="content">
        some text... 
        <a href="#hide" id="close">Close</a>
    </div>
</div>

CSS

#content {
    display: none;
}
#show:target #content {
    display: inline-block;
}
#show:target #open {
    display: none;
}