JSFiddle - React, Tailwind, and code Playground
by Alex Baumgertner
HTML
<p>С clearfix</p>
<div style="background: #ada;">
top
</div>
<div class="clearfix" style="background: #eda;">
<div style="float: left; height: 100px;">item1</div>
<div style="float: left; height: 100px;">item2</div>
<div style="float: left; height: 100px;">item3</div>
</div>
<div style="background: #ada;">
bottom
</div>
<div style="background: #ada;">
top
</div>
<p>Без clearfix</p>
<div style="background: #eda;">
<div style="float: left; height: 100px;">item1</div>
<div style="float: left; height: 100px;">item2</div>
<div style="float: left; height: 100px;">item3</div>
</div>
<div style="background: #ada;">
bottom
</div>
CSS
.clearfix:after
{
display: block;
clear: both;
height: 0;
content: '';
}