.daterangepicker .disabled-custom-date {
    background-color: #f5f5f5 !important;
    color: #999 !important;
    cursor: not-allowed !important;
    text-decoration: line-through;
}

.daterangepicker .disabled-custom-date:hover {
    background-color: #f5f5f5 !important;
    color: #999 !important;
}

.daterangepicker td.disabled-custom-date.available {
    background-color: #f5f5f5 !important;
    color: #999 !important;
}