React Date Range Picker Component Styling

Date Range Picker Styling

Learn how to customize the React Date Range Picker component with CSS classes, variables, and Sass for flexible styling and seamless integration into your design.

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CSS variables

The field is a .form-control-group on the element CDateRangePicker renders, so its frame, the separator, the cleaner and the toggle read the --cui-control-* and --cui-control-group-* tokens. Pass them through style to restyle one field. The two ends are date inputs and carry the form-date-time tokens.

The range picker shares the date picker’s panel, .date-picker-popup, and declares its local CSS variables there; the calendar inside it declares its own on .calendar. Values are set via Sass, so Sass customization is supported too.

scss

$date-picker-tokens: defaults(
  (
    --cui-date-picker-ranges-padding-y: .5rem,
    --cui-date-picker-ranges-padding-x: .5rem,
    --cui-date-picker-ranges-gap: .25rem,
    --cui-date-picker-ranges-border-width: var(--cui-border-width),
    --cui-date-picker-ranges-border-color: var(--cui-border-color),
    --cui-date-picker-timepickers-border-width: var(--cui-border-width),
    --cui-date-picker-timepickers-border-color: var(--cui-border-color),
    --cui-date-picker-footer-padding-y: .5rem,
    --cui-date-picker-footer-padding-x: .5rem,
    --cui-date-picker-footer-gap: .5rem,
    --cui-date-picker-footer-border-width: var(--cui-border-width),
    --cui-date-picker-footer-border-color: var(--cui-border-color),
  ),
  $date-picker-tokens
);

scss

$calendar-tokens: defaults(
  (
    --cui-calendar-table-margin: .5rem,
    --cui-calendar-table-cell-size: 2.75rem,
    --cui-calendar-nav-padding-y: .5rem,
    --cui-calendar-nav-padding-x: .5rem,
    --cui-calendar-nav-border-color: var(--cui-border-color),
    --cui-calendar-nav-border: var(--cui-border-width) solid var(--cui-calendar-nav-border-color),
    --cui-calendar-nav-btn-padding-x: .5rem,
    --cui-calendar-nav-btn-padding-y: .25rem,
    --cui-calendar-nav-btn-font-size: var(--cui-font-size-sm),
    --cui-calendar-nav-btn-bg: transparent,
    --cui-calendar-nav-btn-border-width: 1px,
    --cui-calendar-nav-btn-border-color: transparent,
    --cui-calendar-nav-btn-border-radius: var(--cui-radius-4),
    --cui-calendar-nav-btn-hover-bg: transparent,
    --cui-calendar-nav-btn-hover-border-color: transparent,
    --cui-calendar-nav-btn-focus-border-color: transparent,
    --cui-calendar-nav-date-font-weight: 600,
    --cui-calendar-nav-date-color: var(--cui-fg-body),
    --cui-calendar-nav-date-hover-color: var(--cui-primary-base),
    --cui-calendar-nav-icon-width: 1rem,
    --cui-calendar-nav-icon-height: 1rem,
    --cui-calendar-nav-icon-color: var(--cui-fg-3),
    --cui-calendar-nav-icon-hover-color: var(--cui-fg-body),
    --cui-calendar-cell-header-inner-font-weight: 600,
    --cui-calendar-cell-header-inner-color: var(--cui-fg-3),
    --cui-calendar-cell-week-number-font-weight: 600,
    --cui-calendar-cell-week-number-color: var(--cui-fg-2),
    --cui-calendar-cell-border-radius: var(--cui-radius-4),
    --cui-calendar-cell-hover-color: var(--cui-fg-body),
    --cui-calendar-cell-hover-bg: var(--cui-bg-2),
    --cui-calendar-cell-disabled-color: var(--cui-fg-4),
    --cui-calendar-cell-selected-color: var(--cui-primary-contrast),
    --cui-calendar-cell-selected-bg: var(--cui-primary-base),
    --cui-calendar-cell-selected-hover-color: var(--cui-calendar-cell-selected-color),
    --cui-calendar-cell-selected-hover-bg: oklch(from var(--cui-calendar-cell-selected-bg) calc(l * var(--cui-theme-hover-lightness)) calc(c * var(--cui-theme-hover-chroma)) h),
    --cui-calendar-cell-selected-adjacent-color: var(--cui-primary-fg-emphasis),
    --cui-calendar-cell-selected-adjacent-bg: var(--cui-primary-bg-subtle),
    --cui-calendar-cell-selected-adjacent-hover-color: var(--cui-calendar-cell-selected-adjacent-color),
    --cui-calendar-cell-selected-adjacent-hover-bg: var(--cui-primary-bg-muted),
    --cui-calendar-cell-range-bg: var(--cui-primary-bg-subtle),
    --cui-calendar-cell-range-hover-border-color: var(--cui-primary-base),
    --cui-calendar-cell-today-color: var(--cui-danger-base),
  ),
  $calendar-tokens
);

The panel is a .popup: its surface, border, shadow, stacking and fade come from the tokens every popup panel shares with the other pickers, the combobox, autocomplete and multi select.

scss

$popup-tokens: () !default;
$popup-tokens: defaults(
  (
    --cui-popup-zindex: var(--cui-z-dropdown),
    --cui-popup-bg: var(--cui-bg-body),
    --cui-popup-border-width: var(--cui-border-width),
    --cui-popup-border-color: var(--cui-border-color),
    --cui-popup-border-radius: var(--cui-radius-7),
    --cui-popup-box-shadow: var(--cui-box-shadow),
    --cui-popup-transition-duration: .15s,
    --cui-popup-transition-timing: var(--cui-transition-timing-overlay),
  ),
  $popup-tokens
);

How to use CSS variables

Each part of the panel declares its tokens itself, and the panel is rendered into document.body unless portal is false, so a variable set on CDateRangePicker through style styles the field but reaches none of them. Set them with a rule on the part that declares them:

.date-picker-popup {
  --cui-popup-bg: #f8f9fa;
}

.date-picker-popup .calendar {
  --cui-calendar-cell-hover-bg: #e9ecef;
}