JSFiddle - React, Tailwind, and code Playground

HTML

<div class="scrollable">
    <div class="content">short</div>
    <div class="content">very looooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooong text</div>
</div>

CSS

.scrollable {
    width: 300px;
    height: 300px;
    overflow: auto;
}

.content {
    background-color: lightblue;
    white-space: nowrap;
}