JSFiddle - React, Tailwind, and code Playground

HTML

<div class="square">
</div>
<div class="square">
</div>
<div class="square">
</div>
<div class="square">
</div>
<div class="square">
</div>

CSS

.square {
   width:100px;
   height:100px;
   display:block;
   overflow:hidden;
   float:left;
   border:1px #000 solid;
    margin: 5px;
}