JSFiddle - React, Tailwind, and code Playground

HTML

<svg height=100 width=100 xmlns="http://www.w3.org/2000/svg"
     xmlns:xlink="http://www.w3.org/1999/xlink">

</svg>

CSS

svg{
    background-color:#ccc;
}
svg:hover{
    box-shadow: 0 0 20px yellow;
}