var sliderHeading = new Swiper('.slider__theme__heading', {
        initialSlide: 1,
        pagination: '.slider__theme__heading .slider_pagination',
        paginationClickable: true,
        effect: 'fade',
        spaceBetween: 30,
        loop: true,
        nextButton: '.slider__theme__heading .slider_button__next',
        prevButton: '.slider__theme__heading .slider_button__prev',
        nested: true,
    });

    var sliderCoverflow = new Swiper('.slider__theme__coverflow', {
        initialSlide: 1,
        centeredSlides: true,
        effect: 'coverflow',
        slidesPerView: 'auto',
        coverflow: {
            rotate: 0,
            stretch: 300,
            depth: 300,
            modifier: 1,
            slideShadows : false
        },
        nested: true,
        loop: false,
        slideToClickedSlide: true
    });

    sliderHeading.params.control = sliderCoverflow;
    sliderCoverflow.params.control = sliderHeading;