JSFiddle - React, Tailwind, and code Playground

HTML

<a href="#" id="animar" style="width:150px; height:140px; background-color:#FFF; display:inline-block" ><img id="imagen" src="http://awsimx.fathermag.com/daughter/girl_with_cat_8776698_XS_400x300.jpg" width="150" /></a>

JavaScript

$(function() {
    $("#animar").mouseenter(function() {
        $("#imagen").stop().animate({
            'width': "130px"
        })
    }).mouseleave(function() {
        $("#imagen").stop().animate({
            'width': "150px"
        })
    })
})