JSFiddle - React, Tailwind, and code Playground

HTML

<div id="wrapper">
    <div class="box"></div>
    <div class="box"></div>
    <div class="box"></div>
    <div class="box"></div>
    <div class="box"></div>
    <br class="clear" />
</div>

CSS

br.clear { clear:both; display:block; height:1px; margin:-1px 0 0 0; }
#wrapper { max-width: 960px; min-width: 320px; background: #444; margin: 0 auto; text-align: center }
.box { width: 80px; padding: 10px; margin:10px; height: 260px; border: 0px;  background: #fff; display: inline-block}