JSFiddle - React, Tailwind, and code Playground

by JoshC

HTML

<div id="parent"><div></div><div></div><div></div><div></div><div></div><div></div><div></div><div></div><div></div><div></div><div></div><div></div><div></div><div></div><div></div><div></div><div></div></div>

CSS

#parent {
    overflow:hidden;
}
#parent > div {
    width:100px;
    height:100px;
    border:1px solid black;
    float:left;
    margin:5px;
}
#parent:hover > div:not(:hover) {
    background:black;
}