JSFiddle - React, Tailwind, and code Playground

HTML

<div id="footer">
    <a href="#" class="link"></a>
<div>

CSS

#footer{
    background:#f00;
    width:500px;
    height:100px;
    
}
#footer a.link{
    width:20px;
    height:20px;
    border:solid 1px #000;
    float:left;
    margin:20px;
}