JSFiddle - React, Tailwind, and code Playground

HTML

<div class="langc">Language</div>
<div class="langs">en / bg</div>

CSS

.langs {display:none;}

JavaScript

$(function(){
    $(".langc").hover(function(){
        $(".langs").slideDown("fast");
    },function(){
        $(".langs").delay(3000).slideUp("fast");
    });
});