JSFiddle - React, Tailwind, and code Playground

HTML

<h3>Image Gallery</h3>
<p>Try resizing the window to see what happens when the images do not have enough room.</p>
<img class="thumbnail" src="http://www.jonathanjeter.com/images/Square_200x200.png"  width="107" height="90">
<img class="thumbnail" src="http://www.jonathanjeter.com/images/Square_200x200.png" width="107" height="80">
<img class="thumbnail" src="http://www.jonathanjeter.com/images/Square_200x200.png" width="116" height="90">
<img class="thumbnail" src="http://www.jonathanjeter.com/images/Square_200x200.png" width="120" height="90">
<img class="thumbnail" src="http://www.jonathanjeter.com/images/Square_200x200.png" width="107" height="90">
<img class="thumbnail" src="http://www.jonathanjeter.com/images/Square_200x200.png" width="107" height="80" style="border:1px solid #000;">

CSS

.thumbnail 
{
float:left;
width:110px;
height:90px;
margin:5px;
    border:1px solid #00F;
}