.ui-datepicker-title {
    color: #000; 
}

.ui-datepicker-header {
    background-color: #f0f0f0; 
    color: #000; 
}

.ui-datepicker-calendar {
    color: #000; 
}

.ui-datepicker-month, .ui-datepicker-year {
    color: #000; 
}