JSFiddle - React, Tailwind, and code Playground

HTML

<div class="img-holder"></div>

CSS

.img-holder {height: 100px; width: 100px; background: red;}

JavaScript

$(document).ready(function(){
    doResize();
    $(window).on('resize', doResize);
});

function doResize() {
    $('.img-holder').css({
        position:'absolute',
        left: ($(window).width() - $('.img-holder').outerWidth())/2,
        top: ($(window).height() - $('.img-holder').outerHeight())/2
    });
}