.column-left {
    background: url('/static/images/index/interiors1.jpg') center/cover;
}
.column-center {
    background: url('/static/images/index/nature4.jpg') center/cover;
}
.column-right {
    background: url('/static/images/index/historical1.jpg') center/cover;
}

/* Задержки для последовательной анимации */
.column-left.animate-in { transition-delay: 0.1s; }
.column-center.animate-in { transition-delay: 0.3s; }
.column-right.animate-in { transition-delay: 0.5s; }

/*Для js animations*/
/* Анимации скролла для колонок (scrolling)*/
.three-column-layout {
    transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    position: relative;
    z-index: 2;
}

.three-column-layout.scrolled {
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    /*min-height: 0*/
}


/*Для js animations2*/
/* колонки съезжаются к центру */

.three-column-layout.collapsed {
    transform: scaleY(0);
    transform-origin: top;

}