.flatpickr-weekday:nth-child(1){color:#f009}.flatpickr-weekday:nth-child(7){color:#00f9}.flatpickr-day.ja-holiday{color:#f009}.flatpickr-day.ja-sunday{color:#f009;font-weight:700}.flatpickr-day.ja-saturday{color:#00f9;font-weight:700}.event{width:6px;height:6px;border-width:1px;border-color:#666;content:" ";display:block;background:#3d8eb9}.event.busy{background:#f64747}.flatpickr-calendar.open{z-index:9999!important}