JSFiddle - React, Tailwind, and code Playground

HTML

<div id="panel">
    <div class="icon-container">
	    <img id="icon1" class="icon" src="http://vz.iminent.com/vz/09757d63-152d-46ab-8d24-8e67721596be/2/smiley-2d-sceptique.gif">
        </div>
        <div class="icon-container">
	        <img id="icon2" class="icon" src="http://vz.iminent.com/vz/09757d63-152d-46ab-8d24-8e67721596be/2/smiley-2d-sceptique.gif">
            </div>
            <div class="icon-container">
	<img id="icon3" class="icon" src="http://vz.iminent.com/vz/09757d63-152d-46ab-8d24-8e67721596be/2/smiley-2d-sceptique.gif">
                </div>
        </div>

CSS

#panel {
	border: 2px solid blue;
    overflow: auto;
}

.icon-container {
    float: left;
    width: 33.3%;
    text-align: center;
}