JSFiddle - React, Tailwind, and code Playground

by Alex Sol

HTML

<textarea name="" id="" cols="30" rows="10" class="box">Blah blah blah...</textarea>

CSS

.box {
  box-shadow: 0px 0px 0px 1px #000;
}

.box:hover {
  box-shadow: 0px 0px 0px 2px #000;
}