JSFiddle - React, Tailwind, and code Playground

HTML

<div>
    <img src="http://25.media.tumblr.com/acc96259d6b2678985052c33e05a3062/tumblr_mkv9fhDBDS1rmc58qo1_500.jpg" />
</div>

JavaScript

$('div img').mouseenter(function () {
    $(this).css({border: '0 solid #f37736'}).animate({
        borderWidth: 4
    }, 500);
}).mouseleave(function () {
     $(this).animate({
        borderWidth: 0
    }, 500);
});