JSFiddle - React, Tailwind, and code Playground

HTML

<div class="container">
    <div class="circle"></div>
    <img src="http://lorempixel.com/output/nature-q-c-300-300-10.jpg" />
</div>

CSS

.container {
    position: relative;
}
.circle {
    position: absolute;
    top: 100px;
    left: 100px;
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: #222;
}
.circle:hover+img {
    border: 5px solid aqua;
}