jQuery('#post-grid-lazy-3007').ready(function($){ var $container = $('#post-grid-3007 .grid-items'); $container.masonry({ itemSelector: '.item', columnWidth: '.item', //as you wish , you can use numeric isAnimated: true, isFitWidth: true, horizontalOrder: true, }); $container.imagesLoaded().done( function() { $container.masonry('layout'); }); })