JSFiddle - React, Tailwind, and code Playground

HTML

<div id="portrait-wrap">Наведи!</div>
<div id="portrait-wrap2"><img src="http://mirgif.com/humor/prikol104.jpg" width="100"></div>

CSS

#portrait-wrap {
    position: relative;
    top: 500px;
    width: 90px;
    height: 90px;
    border-radius: 10px;
    background: #000;
}
#portrait-wrap2 {
  text-align: center;
  opacity: 0;
    transition: 1s all ease;
}
#portrait-wrap:hover + #portrait-wrap2 {
    opacity: 1;
}