JSFiddle - React, Tailwind, and code Playground

HTML

<div class="outer">
    <div class="above">More tex.</div>
    <div class="below">This text is visible. Scroll up to view more text.</div>
</div>

CSS

div.outer
{
    position: relative;
    min-height: 20px;
    overflow-y: scroll;
}

div
{
    position: relative;
}