JSFiddle - React, Tailwind, and code Playground

HTML

<div>
    <button>press me</button>
    <span contenteditable="true">editablebdfbsdkfbsdkfbbf</span>
</div>

CSS

div {border: 1px solid gray; width: 15em; height: 5em; overflow-y: scroll;}
button {float: right;}