( function( $ ) { var debounce = function( func, wait ) { var timeout, args, context, timestamp; return function() { context = this; args = [].slice.call( arguments, 0 ); timestamp = new Date(); var later = function() { var last = ( new Date() ) - timestamp; if ( last < wait ) { timeout = setTimeout( later, wait - last ); } else { timeout = null; func.apply( context, args ); } }; if ( ! timeout ) { timeout = setTimeout( later, wait ); } }; }; function postsStyles() { var marginSize = 30; if ( $( window ).width() > 599 ) { marginSize = 60; } $( '.site-main .hentry' ).each( function() { if ( $( this ).hasClass( 'has-post-thumbnail' ) && ( $( this ).hasClass( 'format-image' ) || $( this ).hasClass( 'format-gallery' ) ) && ! $( this ).parent().hasClass( 'featured-content' ) ) { var postThumbnail = $( this ).find( '.post-thumbnail' ), thumbnail = $( this ).find( 'img' ); postThumbnail.css( { 'background-image': 'url(' + thumbnail.attr( 'src' ) + ')', 'height': $( this ).outerHeight() - marginSize } ); } } ); } $( window ).load( postsStyles ).resize( debounce( postsStyles, 500 ) ); $( document ).on( 'post-load', postsStyles ); } )( jQuery );