JSFiddle - React, Tailwind, and code Playground

HTML

<div class="flexbox">
  <div class="inner-box">
    <div class="very-big-container">
        Foobar
    </div>
  </div>
</div>

CSS

html {
  display: flex;
}
.flexbox {
  display: flex;
}

.inner-box {
  width: 100vw;
  overflow-x: scroll;
}

.very-big-container {
  width: 4000px;
}