JSFiddle - React, Tailwind, and code Playground

HTML

<div class="container">
	<img class="cropImg" src="http://placehold.it/150x150/f00&text=red" alt="red">
	<img class="cropImg" src="http://placehold.it/150x150/fff&text=white" alt="white">
	<img class="cropImg" src="http://placehold.it/150x150/00f&text=blue" alt="blue">
</div>

JavaScript

$(document).ready(function(){
	var xColour = $("img[src*='white']");
	xColour.css('box-shadow','0 0 0 5px  green');
});