Scribe.js/resources/styles/shared/datepicker.scss

$color: #de930f;
$secondaryColor: #ae720c;

.react-datepicker__tether-element-attached-top .react-datepicker__triangle, .react-datepicker__tether-element-attached-bottom .react-datepicker__triangle, .react-datepicker__year-read-view--down-arrow {
  margin-left: -8px;
  position: absolute;
}

.react-datepicker__tether-element-attached-top .react-datepicker__triangle, .react-datepicker__tether-element-attached-bottom .react-datepicker__triangle, .react-datepicker__year-read-view--down-arrow, .react-datepicker__tether-element-attached-top .react-datepicker__triangle::before, .react-datepicker__tether-element-attached-bottom .react-datepicker__triangle::before, .react-datepicker__year-read-view--down-arrow::before {
  box-sizing: content-box;
  position: absolute;
  border: 8px solid transparent;
  height: 0;
  width: 1px;
}

.react-datepicker__tether-element-attached-top .react-datepicker__triangle::before, .react-datepicker__tether-element-attached-bottom .react-datepicker__triangle::before, .react-datepicker__year-read-view--down-arrow::before {
  content: "";
  z-index: -1;
  border-width: 8px;
  left: -8px;
  border-bottom-color: transparent;
}

.react-datepicker__tether-element-attached-top .react-datepicker__triangle {
  top: 0;
  margin-top: -8px;
}

.react-datepicker__tether-element-attached-top .react-datepicker__triangle, .react-datepicker__tether-element-attached-top .react-datepicker__triangle::before {
  border-top: none;
  border-bottom-color: $secondaryColor;
}

.react-datepicker__tether-element-attached-top .react-datepicker__triangle::before {
  top: -1px;
  border-bottom-color: transparent;
}

.react-datepicker__tether-element-attached-bottom .react-datepicker__triangle, .react-datepicker__year-read-view--down-arrow {
  bottom: 0;
  margin-bottom: -8px;
}

.react-datepicker__tether-element-attached-bottom .react-datepicker__triangle, .react-datepicker__year-read-view--down-arrow, .react-datepicker__tether-element-attached-bottom .react-datepicker__triangle::before, .react-datepicker__year-read-view--down-arrow::before {
  border-bottom: none;
  border-top-color: #fff;
}

.react-datepicker__tether-element-attached-bottom .react-datepicker__triangle::before, .react-datepicker__year-read-view--down-arrow::before {
  bottom: -1px;
  border-top-color: transparent;
}

.react-datepicker {
  font-size: 11px;
  background-color: $color;
  color: #000;
  //border-radius: 4px;
  display: inline-block;
  position: relative;
  box-shadow: 0 0 40px rgba(0, 0, 0, 0.37);
}

.react-datepicker__container {
  position: absolute;
  display: inline-block;
  z-index: 2147483647;
}

.react-datepicker__triangle {
  position: absolute;
  left: 50px;
}

.react-datepicker__tether-target-attached-top.react-datepicker__container {
  margin-top: -20px;
}

.react-datepicker__header {
  text-align: center;
  background-color: $secondaryColor;
  padding-top: 10px;
  position: relative;
}

.react-datepicker__current-month {
  margin-top: 0;
  color: #FFF;
  font-weight: bold;
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 1px;
  position: relative;
  top: -4px;
  display: inline-block;
}

.react-datepicker__current-month--hasYearDropdown {
  margin-bottom: 16px;
}

.react-datepicker__navigation {
  line-height: 24px;
  text-align: center;
  cursor: pointer;
  position: absolute;
  top: 10px;
  width: 0;
  border: 6px solid transparent;
}

.react-datepicker__navigation--previous {
  left: 10px;
  border-right-color: #fff;
}

.react-datepicker__navigation--previous:hover {
  border-right-color: #b3b3b3;
}

.react-datepicker__navigation--next {
  right: 10px;
  border-left-color: #fff;
}

.react-datepicker__navigation--next:hover {
  border-left-color: #b3b3b3;
}

.react-datepicker__navigation--years {
  position: relative;
  top: 0;
  display: block;
  margin-left: auto;
  margin-right: auto;
}

.react-datepicker__navigation--years-previous {
  top: 4px;
  border-top-color: #ccc;
}

.react-datepicker__navigation--years-previous:hover {
  border-top-color: #b3b3b3;
}

.react-datepicker__navigation--years-upcoming {
  top: -4px;
  border-bottom-color: #ccc;
}

.react-datepicker__navigation--years-upcoming:hover {
  border-bottom-color: #b3b3b3;
}

.react-datepicker__week-day {
  color: #ccc;
  display: inline-block;
  width: 28px;
  line-height: 24px;
}

.react-datepicker__month {
  margin: 5px;
  text-align: center;
  background: $color;
}

.react-datepicker__day {
  color: rgba(255, 255, 255, 0.6);
  display: inline-block;
  width: 24px;
  line-height: 21px;
  text-align: center;
  /* margin: 2px; */
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 9px;
  padding-top: 1px;
  border-radius: 24px;
}

.react-datepicker__day:hover {
  /* border-radius: 4px; */
  background-color: #f0f0f0;
  /* color: $color; */
  color: $color;
}

.react-datepicker__day--today {
  /* font-weight: bold; */
}

.react-datepicker__day--selected, .react-datepicker__day--in-range {
  /* border-radius: 4px; */
  background-color: rgba(255, 255, 255, 0.43);
  color: #fff;
  font-weight: bold;
}

.react-datepicker__day--selected:hover, .react-datepicker__day--in-range:hover {
  /* background-color: #1d5d90; */
  /* color: red; */
  color: $color;
}

.react-datepicker__day--disabled {
  cursor: default;
  color: rgba(255, 255, 255, 0.15) !important;
}

.react-datepicker__day--disabled:hover {
  background-color: transparent;
}

.react-datepicker__input-container {
  display: inline-block;
  position: relative;
}

.react-datepicker__input {
  position: relative;
  font-size: 13px;
  border-radius: 4px;
  box-shadow: inset 0 2px 2px #e9e9e9;
  border: 1px solid #aeaeae;
  line-height: 16px;
  padding: 6px 10px 5px;
}

.react-datepicker__input:focus {
  outline: none;
  border-color: #aeaeae;
  box-shadow: inset 0 2px 2px #e9e9e9, 0 0 10px 0 rgba(73, 107, 125, 0.3);
}

.react-datepicker__input:not(:valid) ~ .close-icon {
  display: none;
}

.react-datepicker__year-read-view {
  width: 50%;
  left: 25%;
  position: absolute;
  bottom: 25px;
  border: 1px solid transparent;
  border-radius: 4px;
}

.react-datepicker__year-read-view:hover {
  cursor: pointer;
}

.react-datepicker__year-read-view:hover .react-datepicker__year-read-view--down-arrow {
  border-top-color: #b3b3b3;
}

.react-datepicker__year-read-view--down-arrow {
  border-top-color: #ccc;
  margin-bottom: 3px;
  left: 5px;
  top: 9px;
  position: relative;
  border-width: 6px;
}

.react-datepicker__year-read-view--selected-year {
  right: 6px;
  position: relative;
}

.react-datepicker__year-dropdown {
  background-color: #f0f0f0;
  position: absolute;
  width: 50%;
  left: 25%;
  top: 30px;
  text-align: center;
  border-radius: 4px;
  border: 1px solid #aeaeae;
}

.react-datepicker__year-dropdown:hover {
  cursor: pointer;
}

.react-datepicker__year-option {
  line-height: 20px;
  width: 100%;
  display: block;
  margin-left: auto;
  margin-right: auto;
}

.react-datepicker__year-option:first-of-type {
  border-top-left-radius: 4px;
  border-top-right-radius: 4px;
}

.react-datepicker__year-option:last-of-type {
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
  border-bottom-left-radius: 4px;
  border-bottom-right-radius: 4px;
}

.react-datepicker__year-option:hover {
  background-color: #ccc;
}

.react-datepicker__year-option:hover .react-datepicker__navigation--years-upcoming {
  border-bottom-color: #b3b3b3;
}

.react-datepicker__year-option:hover .react-datepicker__navigation--years-previous {
  border-top-color: #b3b3b3;
}

.react-datepicker__year-option--selected {
  position: absolute;
  left: 30px;
}

.react-datepicker__header .react-datepicker__day {
  background: transparent !important;
  color: #FFF !important;
  cursor: default;
  font-weight: bold;
}

.react-datepicker__tether-element {
  z-index: 9999;
}