JSFiddle - React, Tailwind, and code Playground

HTML

<div class="logo">
    <div class="part">M</div><div class="hidden">edia</div><div class="part">M</div><div class="hidden">antra</div>
</div>

CSS

.part, .hidden {
    width: 50px;
    height: 50px;
    background: red;
    display: inline-block;
    font-size: 24px;
    text-align: center;
    vertical-align: top;
}

.hidden {
    width: 0px;
    overflow: hidden;
}

JavaScript

$(document).ready(function () {
    $(".logo").on("mouseenter", function () {
        $(this).find(".hidden").animate({width: "50px"}); 
    }).on("mouseleave", function () {
        $(this).find(".hidden").animate({width: "0px"});
    });
});