.timeline-container {
    /* altura para mobile pequeno */
    height: 526px;
}

/* tablets (largura entre 768px e 1023px) */
@media (min-width: 768px) {
    .timeline-container {
        height: 650px;
    }
}

/* desktop (largura 1024px ou maior) */
@media (min-width: 1024px) {
    .timeline-container {
        height: 750px;
    }
}


/*   customizar a timeline  */
/*
.tl-slide.custom-background .tl-slide-content {
  background: url('/fileadmin/timeline/backgrounds/lisboa.jpg') center/cover no-repeat;
  color: #fff;
}
*/