JSFiddle - React, Tailwind, and code Playground

HTML

<div class="side-by-side">
  <div>Floaty content</div>
  <div>More floaty content</div>
</div>

CSS

.side-by-side {
  background: #eee;
}
.side-by-side div {
  float: left;
}
.side-by-side:after {
  content: "";
  display: block;
  clear: both;
}