JSFiddle - React, Tailwind, and code Playground

HTML

<div class="thumb"><img src="http://www.placehold.it/200x150" /></div>
<div class="thumb"><img src="http://www.placehold.it/105x325" /></div>
<div class="thumb"><img src="http://www.placehold.it/100x100" /></div>

CSS

img{
    width:100px;
    height:auto;
    max-height:100px;
}

.thumb{
    width:100px;
    height:100px;
    padding:5px;
    margin:10px;
    float:left;
}