.datepicker {
    font-size: .85rem !important;
}
.datepicker-view {
    width: 13.25rem !important;
}
.datepicker-cell {
    height: 1.75rem !important;
}
.datepicker-controls .button {
    font-size: .9rem !important;
}
.datepicker .dow {
    font-size: .85rem !important;
}