React Dropdown Component Styling
Dropdown Styling
Learn how to customize theReact Dropdown component with CSS classes, variables, and SASS for flexible styling and seamless integration into your design.
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CSS variables#
React Button supports CSS variables for easy customization. These variables are set via SASS but allow direct overrides in your stylesheets or inline styles.
--cui-dropdown-zindex:#{$zindex-dropdown};--cui-dropdown-min-width:#{$dropdown-min-width};--cui-dropdown-padding-x:#{$dropdown-padding-x};--cui-dropdown-padding-y:#{$dropdown-padding-y};--cui-dropdown-spacer:#{$dropdown-spacer};@includerfs($dropdown-font-size, --cui-dropdown-font-size);--cui-dropdown-color:#{$dropdown-color};--cui-dropdown-bg:#{$dropdown-bg};--cui-dropdown-border-color:#{$dropdown-border-color};--cui-dropdown-border-radius:#{$dropdown-border-radius};--cui-dropdown-border-width:#{$dropdown-border-width};--cui-dropdown-inner-border-radius:#{$dropdown-inner-border-radius};--cui-dropdown-divider-bg:#{$dropdown-divider-bg};--cui-dropdown-divider-margin-y:#{$dropdown-divider-margin-y};--cui-dropdown-box-shadow:#{$dropdown-box-shadow};--cui-dropdown-link-color:#{$dropdown-link-color};--cui-dropdown-link-hover-color:#{$dropdown-link-hover-color};--cui-dropdown-link-hover-bg:#{$dropdown-link-hover-bg};--cui-dropdown-link-active-color:#{$dropdown-link-active-color};--cui-dropdown-link-active-bg:#{$dropdown-link-active-bg};--cui-dropdown-link-disabled-color:#{$dropdown-link-disabled-color};--cui-dropdown-item-padding-x:#{$dropdown-item-padding-x};--cui-dropdown-item-padding-y:#{$dropdown-item-padding-y};--cui-dropdown-header-color:#{$dropdown-header-color};--cui-dropdown-header-padding-x:#{$dropdown-header-padding-x};--cui-dropdown-header-padding-y:#{$dropdown-header-padding-y};
Customization through CSS variables can be seen on the.dropdown-menu-dark class where we override specific values without adding duplicate CSS selectors.
--cui-dropdown-color:#{$dropdown-dark-color};--cui-dropdown-bg:#{$dropdown-dark-bg};--cui-dropdown-border-color:#{$dropdown-dark-border-color};--cui-dropdown-box-shadow:#{$dropdown-dark-box-shadow};--cui-dropdown-link-color:#{$dropdown-dark-link-color};--cui-dropdown-link-hover-color:#{$dropdown-dark-link-hover-color};--cui-dropdown-divider-bg:#{$dropdown-dark-divider-bg};--cui-dropdown-link-hover-bg:#{$dropdown-dark-link-hover-bg};--cui-dropdown-link-active-color:#{$dropdown-dark-link-active-color};--cui-dropdown-link-active-bg:#{$dropdown-dark-link-active-bg};--cui-dropdown-link-disabled-color:#{$dropdown-dark-link-disabled-color};--cui-dropdown-header-color:#{$dropdown-dark-header-color};
How to use CSS variables#
const customVars={'--cui-dropdown-color':'#777','--cui-dropdown-bg':'#efefef',}return<CDropdownstyle={customVars}>{/* Dropdown content */}</CDropdown>
SASS variables#
$dropdown-min-width:10rem!default;$dropdown-padding-x:0!default;$dropdown-padding-y:.5rem!default;$dropdown-spacer:.125rem!default;$dropdown-font-size:$font-size-base!default;$dropdown-color:var(--cui-body-color)!default;$dropdown-bg:var(--cui-body-bg)!default;$dropdown-border-color:var(--cui-border-color-translucent)!default;$dropdown-border-radius:var(--cui-border-radius)!default;$dropdown-border-width:var(--cui-border-width)!default;$dropdown-inner-border-radius:calc(#{$dropdown-border-radius}-#{$dropdown-border-width})!default;// stylelint-disable-line function-disallowed-list$dropdown-divider-bg:$dropdown-border-color!default;$dropdown-divider-margin-y:$spacer*.5!default;$dropdown-box-shadow:var(--cui-box-shadow)!default;$dropdown-link-color:var(--cui-body-color)!default;$dropdown-link-hover-color:$dropdown-link-color!default;$dropdown-link-hover-bg:var(--cui-tertiary-bg)!default;$dropdown-link-active-color:$component-active-color!default;$dropdown-link-active-bg:$component-active-bg!default;$dropdown-link-disabled-color:var(--cui-tertiary-color)!default;$dropdown-item-padding-y:$spacer*.25!default;$dropdown-item-padding-x:$spacer!default;$dropdown-header-color:$gray-600!default;$dropdown-header-padding-x:$dropdown-item-padding-x!default;$dropdown-header-padding-y:$dropdown-padding-y!default;// fusv-disable$dropdown-header-padding:$dropdown-header-padding-y$dropdown-header-padding-x!default;// Deprecated in v4.2.6// fusv-enable
Variables for the dark dropdown:
$dropdown-dark-color:$gray-300!default;$dropdown-dark-bg:$gray-800!default;$dropdown-dark-border-color:$dropdown-border-color!default;$dropdown-dark-divider-bg:$dropdown-divider-bg!default;$dropdown-dark-box-shadow:null!default;$dropdown-dark-link-color:$dropdown-dark-color!default;$dropdown-dark-link-hover-color:$white!default;$dropdown-dark-link-hover-bg:rgba($white,.15)!default;$dropdown-dark-link-active-color:$dropdown-link-active-color!default;$dropdown-dark-link-active-bg:$dropdown-link-active-bg!default;$dropdown-dark-link-disabled-color:$gray-500!default;$dropdown-dark-header-color:$gray-500!default;
Variables for the CSS-based carets that indicate a dropdown's interactivity:
$caret-width:.3em!default;$caret-vertical-align:$caret-width*.85!default;$caret-spacing:$caret-width*.85!default;