.event-info-content {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    transition: max-height 0.5s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

    .event-info-content.animated-open {
        max-height: 2000px;
        opacity: 1;
    }

    .event-info-content.d-none {
        display: none !important;
    }