.wrap {
    flex-wrap: wrap;
    flex-direction: column;
}

.mini {
    box-sizing: border-box;
}

var tileSlider = $('.tile-slider');
tileSlider.each(function(){
    var mySwiper = new Swiper(this, {
        loop: true,
        nextButton: $(this).parent().find('.tile-slider-next')[0],
        prevButton: $(this).parent().find('.tile-slider-prev')[0]
    });
});