JSFiddle - React, Tailwind, and code Playground

HTML

<div class="mainbox">Small amount of text, small height of box.</div>
<div class="mainbox"> <div>
 haha ligma ballshaha ligma ballshaha ligma ballshaha ligma ballshaha ligma ballshaha ligma ballshaha ligma ballshaha ligma ballshaha ligma ballshaha ligma ballshaha ligma ballshaha ligma ballshaha ligma ballshaha ligma ballshaha ligma ballshaha ligma ballshaha ligma ballshaha ligma ballshaha ligma ballshaha ligma ballshaha ligma ballshaha ligma ballshaha ligma ballshaha ligma ballshaha ligma ballshaha ligma ballshaha ligma ballshaha ligma ballshaha ligma ballshaha ligma balls
 haha ligma balls
 haha ligma balls
 haha ligma balls
 haha ligma balls
</div>
</div>

CSS

.mainbox {
padding:0;
margin:0 auto;
width:300px;
border:solid 2px  
}