src/style/datepicker.css
.react-datepicker {
  background   : white;
  border       : none;
  border-radius: 0;
  font-family  : 'Barlow';
  border       : 1px solid #aa8453;
  font-size    : 0.9rem;
}

.react-datepicker__header {
  border : #aa8453;
  color  : #fff;
  padding: 0;
}

.react-datepicker-wrapper {
  padding   : 0 2rem;
  height    : 100%;
  display   : flex;
  background: white;
}

.react-datepicker-popper {
  padding-top: 0;
}

.react-datepicker-popper[data-placement^='bottom'] {
  padding-top: 0;
}

.react-datepicker__triangle {
  display: none;
}

.react-datepicker__current-month {
  background: #aa8453;
  color     : white;
  padding   : 0.3rem 0;
}

.react-datepicker__navigation {
  top: 5px;
}

.react-datepicker__navigation-icon::before {
  border-color: #fff;
}

.react-datepicker__input-container input {
  outline   : none;
  background: none;
}

.react-datepicker__day--selected,
.react-datepicker__day--keyboard-selected {
  background   : #aa8453;
  border-radius: 0;
}

.react-datepicker__day--selected:hover {
  background: #906d40;
}

.react-datepicker__current-month {
  font-weight: 500;
}

.react-datepicker__day:hover {
  border-radius: 0;
}