JSFiddle - React, Tailwind, and code Playground

HTML

<div class="wrapper">
    <div id='slide'>Some Text</div>
</div>

CSS

.wrapper {
    position: relative;
    overflow: hidden;
    width: 100px;
    height: 100px; 
    border: 1px solid black;
}

#slide {
    position: absolute;
    right: -100%;
    width: 100px;
    height: 100px;
    background: blue;
    transition: 1s;
}

.wrapper:hover #slide {
    transition: 1s;
    right: 0;
}