.modal {
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.modal-window {
    transition: transform 0.4s ease;
}

.modal.is-active {
    visibility: visible;
    opacity: 1;
    pointer-events: auto;
}

.modal.is-active .modal-window {
    transform: translateY(0);
}