Include the Isotope .js file in your site. Isotope works on a container element with a group of similar child items. All sizing of items is handled by your CSS. You can use Isotope as a jQuery plugin. You can use Isotope with vanilla JS. You can initialize Isotope in HTML, without writing any JavaScript. All options are optional, but itemSelector is recommended. Layout modes have their own separate options. We recommend always setting itemSelector. itemSelector is useful to exclude sizing...