JSFiddle - React, Tailwind, and code Playground

by Alexander

HTML

<div class="a clearfix">
    <div class="b">1</div>
    <div class="b">2</div>
</div>

CSS

.a {
    border: 1px solid #f00;
    /*overflow: hidden;*/
}

.b {
    border: 1px solid #6699cc;
    width: 50px;
    height: 50px;
    float: left;
}

.clearfix:after {
        visibility: hidden;
        display: block;
        content: "";
        clear: both;
        height: 0;
}