JSFiddle - React, Tailwind, and code Playground

HTML

<span>
                <input id="searchbox" placeholder="Enter Catalog # " type="text" />
                <img style="float:right;" id='loading' width="100px" src="http://rpg.drivethrustuff.com/shared_images/ajax-loader.gif"/> 
            </span>

CSS

img {
    position: absolute;
    left: 112px;
    top: -22px;
}

input {
    padding: 10px;
}