JSFiddle - React, Tailwind, and code Playground

HTML

<div id="seventyfive"><img src="http://cdn3.tnwcdn.com/files/2010/02/yahooms-300x120.jpg" /></div>

CSS

#seventyfive{
    position:relative;
    font-size:100px;
    font-weight:bold;
}

JavaScript

(function pulse(back) {
$('#seventyfive img').animate(
    {
        width: (back) ? $('#seventyfive img').width() + 20 : $('#seventyfive img').width() - 20            
    }, 700);
$('#seventyfive').animate(
    {          
        'font-size': (back) ? '100px' : '140px',
        opacity: (back) ? 1 : 0.5
    }, 700, function(){pulse(!back)});
})(false);