#ui-datepicker-div {
    font-size: 10px;
}

#ui-datepicker-div a {
    font-size: inherit;
    font-style: normal !important;
    
}

.ui-widget-header span {
    color:#222222 !important;    
}

.ui-datepicker-calendar th span {
    color:#222222 !important;
}