jQuery UI Datepicker BS4

datepicker.scss

@use "sass:math";

$calendar-padding-y: math.div($spacer, 3) !default;
$calendar-padding-x: math.div($spacer, 3) !default;
$calendar-active: $primary !default;
$calendar-hover: $primary !default;

.ui-datepicker {
  display: none;
  padding: $popover-body-padding-y $popover-body-padding-x;
  background-color: $popover-bg;
  border: $popover-border-width solid $popover-border-color;
  border-radius: $popover-border-radius;
  box-shadow: $popover-box-shadow;

  &-header {
    padding: $calendar-padding-y $calendar-padding-x;
  }

  &-title {
    font-weight: $font-weight-bold;
    text-align: center;
  }

  &-prev,
  &-next {
    margin-top: 2px;
  }

  &-prev {
    float: left;
  }

  &-next {
    float: right;
  }

  &-calendar {
    th {
      width: percentage(math.div(1, 7));
      padding: $calendar-padding-y $calendar-padding-x;
    }

    th,
    td {
      text-align: center;
      vertical-align: middle;
    }

    tr,
    td {
      padding: 0;
    }
  }
}

.ui-icon {
  display: block;
  width: 8px;
  height: 16px;
  overflow: hidden;
  text-indent: -99999px;

  &-circle-triangle-e,
  &-circle-triangle-w {
    margin-top: 2px;
    border: 8px solid transparent;

    &:hover {
      cursor: pointer;
    }
  }

  &-circle-triangle-e {
    margin-right: 5px;
    border-right: 0;
    border-left-color: inherit;
  }

  &-circle-triangle-w {
    margin-left: 5px;
    border-right-color: inherit;
    border-left: 0;
  }
}

.ui-state {
  &-default {
    display: block;
    width: 100%;
    padding-top: $calendar-padding-y;
    padding-bottom: $calendar-padding-y;
    color: $body-color;
    cursor: pointer;

    &:hover {
      color: color-contrast($calendar-hover);
      text-decoration: none;
      background: $calendar-hover;
    }
  }

  &-disabled {
    color: $text-muted;
  }

  &-highlight {
    text-decoration: underline !important; /* stylelint-disable-line declaration-no-important */
  }

  &-active {
    color: color-contrast($calendar-active);
    background: $calendar-active;
  }
}