.ui-datepicker-bookable > a {
    border: 1px solid #459b00 !important;
    color: #459b00 !important; 
    padding: 2px !important;
}

td.ui-datepicker-week-end > * { /* span or a */
    background-color: #e9e9e9 !important;
}

.ui-datepicker-bookable > a.ui-state-active {
    color: white !important;
    border: 1px solid #459b00 !important;
    background-color: #74b440 !important;
}

td.ui-datepicker-today > * {
    background-color: #f6f6f6 !important;
}

input#datepickerFrom, input#datepickerTo {
    margin-bottom: 7px;
}

.ui-datepicker-headline {
    margin: 0 0 2px 0;
    line-height: 1.8em;
    text-align: center;
    color: #459b00 !important;
}

form#datepickerForm {
    display: block;
    padding: 10px !important;
    width: 200px;
    border: 1px solid #459b00;
}