function fillSlides(slides) {
            let boxWidth, size, elem, elemActive;
            let activeSlide = $('.carousel-inner').find('.active');
            $.each(slides, function (slide, items) {
                $.each(items, function (item, itemValue) {
                    elem = $('#' + slide).find('.' + item);
                    boxWidth = activeSlide.find('.' + item).width();

                    if (boxWidth >= 1152) {
                        size = '1920w';
                    } else if (boxWidth >= 768) {
                        size = '1152w';
                    } else if (boxWidth >= 384) {
                        size = '768w';
                    } else {
                        size = '384w';
                    }

                    elem.css('background-image', 'url(' + itemValue + '&size=' + size + ')');
                    console.log(slide + ' ' + item + ' ' + itemValue + '(' + size + ')');
                });
            });
        }