JSFiddle - React, Tailwind, and code Playground

HTML

<div class="outer">
    <div class="div">1</div>
    <div class="div">1</div>
</div>
<div class="div">1</div>

CSS

.div{
    width:50px;
    height:50px;
    background:red;
    margin:5px;
    float:left;
}
.outer{
    overflow:hidden;
    *zoom:1;
}