#ui-datepicker-div {
  left: 50% !important;
  transform: translateX(-50%);
  -webkit-transform: translateX(-50%);
  -ms-transform: translateX(-50%);
}

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

.ui-datepicker select.ui-datepicker-year,
.ui-datepicker select.ui-datepicker-month {
  background: white;
  border: solid 1px black;
  border-radius: 5px;
  height: 2rem;
  padding-left: 2%;
  vertical-align: initial;
  -webkit-appearance: auto;
  -moz-appearance: auto;
       appearance: auto;
}

.ui-datepicker-header .ui-datepicker-title select.ui-datepicker-year {
  width: 40%;
  margin-right: 0.1rem;
}

.ui-datepicker-header .ui-datepicker-title select.ui-datepicker-month {
  width: 30%;
  margin-left: 0.3rem;
}

.ui-datepicker-header .ui-datepicker-prev .ui-icon,
.ui-datepicker-header .ui-datepicker-next .ui-icon {
  background-image: none;
}