.fade-stack {
    position: relative;
}

.fade-stack > * {
    position: absolute;
    inset: 0;
    opacity: 0;
    transform: scale(0.9);
    visibility: hidden;
    pointer-events: none;
    transition:
            opacity 0.35s ease,
            transform 0.35s ease,
            visibility 0.35s ease;
}

.fade-stack > *.show {
    opacity: 1;
    transform: scale(1); /* slide into place */
    visibility: visible;
    pointer-events: auto;
}