.flatpickr-calendar {
    background-color: #222;
    color: #fff;
}

.flatpickr-day.selected {
    background: red !important;
    color: white !important;
}

.flatpickr-day:hover {
    background: #444 !important;
}
.dropdown-item:hover{
   background-color: var(--btn-bg);
}