JSFiddle - React, Tailwind, and code Playground

HTML

<div class="box">
  <img src="https://www.uaf.edu/oip/travelalerts/Travel-Alerts-Page-Picture.jpg" class="image">
</div>
    
<div class="box">
  <img src="http://netboleznej.com/wp-content/uploads/2014/01/science1.jpg" class="image">
</div>

CSS

.box {
    width: 48%;
    float: left;
    border: 1px solid #eee;
    margin: 0 0 0 1%;
    height: 200px;
    text-align: center;
}

.image {
    display: inline-block;
    max-height: 100%;
    max-width: 100%;
    vertical-align: middle;
}