JSFiddle - React, Tailwind, and code Playground

HTML

<div class="mydiv">
    <textarea class="mytextarea"></textarea>
</div>

CSS

.mydiv {
    position: absolute;
    left: 0px;
    top: 0px;
    width: 200px;
    height: 200px;
    background-color: green;
}

.mydiv:hover {
    background-color: blue;
}

.mytextarea {
    position: absolute;
    top: 10px;
    bottom: 10px;
    left: 10px;
    right: 10px;
    resize: none;
    background-color: yellow;
}