JSFiddle - React, Tailwind, and code Playground

HTML

<div>
    <span>Face</span>
    <p>El resto de lo que quieras poner aquí</p>
</div>

CSS

div {
    position: fixed;
    top: 100px;
    right: -140px;
    transition: right .5s ease;
}

div:hover {
    right: 0;
}


/* Por diseño */

* {
    margin: 0;
    padding: 0;
}

div {
    
}

p {
    max-width: 100px;
    padding: 20px;
    background: rgba(255,0,0,.5);
}

span {
    padding: 20px;
    background: blue;
    color: #fff;
}

p, span {
    float: left;
}