250 lines
7.8 KiB
SCSS
250 lines
7.8 KiB
SCSS
// The dropdown wrapper (`<div>`)
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.dropup,
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.dropend,
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.dropdown,
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.dropstart,
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.dropup-center,
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.dropdown-center {
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position: relative;
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}
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.dropdown-toggle {
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white-space: nowrap;
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// Generate the caret automatically
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@include caret();
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}
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// The dropdown menu
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.dropdown-menu {
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// scss-docs-start dropdown-css-vars
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--#{$prefix}dropdown-zindex: #{$zindex-dropdown};
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--#{$prefix}dropdown-min-width: #{$dropdown-min-width};
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--#{$prefix}dropdown-padding-x: #{$dropdown-padding-x};
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--#{$prefix}dropdown-padding-y: #{$dropdown-padding-y};
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--#{$prefix}dropdown-spacer: #{$dropdown-spacer};
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@include rfs($dropdown-font-size, --#{$prefix}dropdown-font-size);
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--#{$prefix}dropdown-color: #{$dropdown-color};
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--#{$prefix}dropdown-bg: #{$dropdown-bg};
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--#{$prefix}dropdown-border-color: #{$dropdown-border-color};
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--#{$prefix}dropdown-border-radius: #{$dropdown-border-radius};
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--#{$prefix}dropdown-border-width: #{$dropdown-border-width};
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--#{$prefix}dropdown-inner-border-radius: #{$dropdown-inner-border-radius};
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--#{$prefix}dropdown-divider-bg: #{$dropdown-divider-bg};
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--#{$prefix}dropdown-divider-margin-y: #{$dropdown-divider-margin-y};
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--#{$prefix}dropdown-box-shadow: #{$dropdown-box-shadow};
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--#{$prefix}dropdown-link-color: #{$dropdown-link-color};
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--#{$prefix}dropdown-link-hover-color: #{$dropdown-link-hover-color};
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--#{$prefix}dropdown-link-hover-bg: #{$dropdown-link-hover-bg};
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--#{$prefix}dropdown-link-active-color: #{$dropdown-link-active-color};
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--#{$prefix}dropdown-link-active-bg: #{$dropdown-link-active-bg};
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--#{$prefix}dropdown-link-disabled-color: #{$dropdown-link-disabled-color};
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--#{$prefix}dropdown-item-padding-x: #{$dropdown-item-padding-x};
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--#{$prefix}dropdown-item-padding-y: #{$dropdown-item-padding-y};
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--#{$prefix}dropdown-header-color: #{$dropdown-header-color};
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--#{$prefix}dropdown-header-padding-x: #{$dropdown-header-padding-x};
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--#{$prefix}dropdown-header-padding-y: #{$dropdown-header-padding-y};
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// scss-docs-end dropdown-css-vars
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position: absolute;
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z-index: var(--#{$prefix}dropdown-zindex);
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display: none; // none by default, but block on "open" of the menu
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min-width: var(--#{$prefix}dropdown-min-width);
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padding: var(--#{$prefix}dropdown-padding-y) var(--#{$prefix}dropdown-padding-x);
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margin: 0; // Override default margin of ul
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@include font-size(var(--#{$prefix}dropdown-font-size));
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color: var(--#{$prefix}dropdown-color);
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text-align: left; // Ensures proper alignment if parent has it changed (e.g., modal footer)
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list-style: none;
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background-color: var(--#{$prefix}dropdown-bg);
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background-clip: padding-box;
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border: var(--#{$prefix}dropdown-border-width) solid var(--#{$prefix}dropdown-border-color);
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@include border-radius(var(--#{$prefix}dropdown-border-radius));
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@include box-shadow(var(--#{$prefix}dropdown-box-shadow));
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&[data-bs-popper] {
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top: 100%;
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left: 0;
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margin-top: var(--#{$prefix}dropdown-spacer);
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}
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@if $dropdown-padding-y == 0 {
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> .dropdown-item:first-child,
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> li:first-child .dropdown-item {
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@include border-top-radius(var(--#{$prefix}dropdown-inner-border-radius));
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}
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> .dropdown-item:last-child,
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> li:last-child .dropdown-item {
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@include border-bottom-radius(var(--#{$prefix}dropdown-inner-border-radius));
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}
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}
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}
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// scss-docs-start responsive-breakpoints
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// We deliberately hardcode the `bs-` prefix because we check
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// this custom property in JS to determine Popper's positioning
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@each $breakpoint in map-keys($grid-breakpoints) {
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@include media-breakpoint-up($breakpoint) {
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$infix: breakpoint-infix($breakpoint, $grid-breakpoints);
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.dropdown-menu#{$infix}-start {
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--bs-position: start;
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&[data-bs-popper] {
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right: auto;
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left: 0;
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}
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}
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.dropdown-menu#{$infix}-end {
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--bs-position: end;
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&[data-bs-popper] {
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right: 0;
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left: auto;
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}
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}
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}
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}
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// scss-docs-end responsive-breakpoints
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// Allow for dropdowns to go bottom up (aka, dropup-menu)
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// Just add .dropup after the standard .dropdown class and you're set.
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.dropup {
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.dropdown-menu[data-bs-popper] {
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top: auto;
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bottom: 100%;
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margin-top: 0;
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margin-bottom: var(--#{$prefix}dropdown-spacer);
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}
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.dropdown-toggle {
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@include caret(up);
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}
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}
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.dropend {
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.dropdown-menu[data-bs-popper] {
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top: 0;
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right: auto;
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left: 100%;
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margin-top: 0;
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margin-left: var(--#{$prefix}dropdown-spacer);
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}
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.dropdown-toggle {
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@include caret(end);
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&::after {
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vertical-align: 0;
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}
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}
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}
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.dropstart {
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.dropdown-menu[data-bs-popper] {
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top: 0;
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right: 100%;
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left: auto;
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margin-top: 0;
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margin-right: var(--#{$prefix}dropdown-spacer);
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}
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.dropdown-toggle {
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@include caret(start);
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&::before {
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vertical-align: 0;
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}
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}
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}
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// Dividers (basically an `<hr>`) within the dropdown
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.dropdown-divider {
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height: 0;
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margin: var(--#{$prefix}dropdown-divider-margin-y) 0;
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overflow: hidden;
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border-top: 1px solid var(--#{$prefix}dropdown-divider-bg);
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opacity: 1; // Revisit in v6 to de-dupe styles that conflict with <hr> element
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}
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// Links, buttons, and more within the dropdown menu
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//
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// `<button>`-specific styles are denoted with `// For <button>s`
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.dropdown-item {
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display: block;
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width: 100%; // For `<button>`s
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padding: var(--#{$prefix}dropdown-item-padding-y) var(--#{$prefix}dropdown-item-padding-x);
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clear: both;
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font-weight: $font-weight-normal;
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color: var(--#{$prefix}dropdown-link-color);
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text-align: inherit; // For `<button>`s
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text-decoration: if($link-decoration == none, null, none);
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white-space: nowrap; // prevent links from randomly breaking onto new lines
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background-color: transparent; // For `<button>`s
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border: 0; // For `<button>`s
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&:hover,
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&:focus {
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color: var(--#{$prefix}dropdown-link-hover-color);
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text-decoration: if($link-hover-decoration == underline, none, null);
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@include gradient-bg(var(--#{$prefix}dropdown-link-hover-bg));
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}
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&.active,
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&:active {
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color: var(--#{$prefix}dropdown-link-active-color);
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text-decoration: none;
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@include gradient-bg(var(--#{$prefix}dropdown-link-active-bg));
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}
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&.disabled,
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&:disabled {
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color: var(--#{$prefix}dropdown-link-disabled-color);
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pointer-events: none;
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background-color: transparent;
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// Remove CSS gradients if they're enabled
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background-image: if($enable-gradients, none, null);
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}
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}
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.dropdown-menu.show {
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display: block;
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}
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// Dropdown section headers
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.dropdown-header {
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display: block;
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padding: var(--#{$prefix}dropdown-header-padding-y) var(--#{$prefix}dropdown-header-padding-x);
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margin-bottom: 0; // for use with heading elements
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@include font-size($font-size-sm);
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color: var(--#{$prefix}dropdown-header-color);
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white-space: nowrap; // as with > li > a
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}
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// Dropdown text
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.dropdown-item-text {
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display: block;
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padding: var(--#{$prefix}dropdown-item-padding-y) var(--#{$prefix}dropdown-item-padding-x);
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color: var(--#{$prefix}dropdown-link-color);
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}
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// Dark dropdowns
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.dropdown-menu-dark {
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// scss-docs-start dropdown-dark-css-vars
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--#{$prefix}dropdown-color: #{$dropdown-dark-color};
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--#{$prefix}dropdown-bg: #{$dropdown-dark-bg};
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--#{$prefix}dropdown-border-color: #{$dropdown-dark-border-color};
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--#{$prefix}dropdown-box-shadow: #{$dropdown-dark-box-shadow};
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--#{$prefix}dropdown-link-color: #{$dropdown-dark-link-color};
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--#{$prefix}dropdown-link-hover-color: #{$dropdown-dark-link-hover-color};
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--#{$prefix}dropdown-divider-bg: #{$dropdown-dark-divider-bg};
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--#{$prefix}dropdown-link-hover-bg: #{$dropdown-dark-link-hover-bg};
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--#{$prefix}dropdown-link-active-color: #{$dropdown-dark-link-active-color};
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--#{$prefix}dropdown-link-active-bg: #{$dropdown-dark-link-active-bg};
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--#{$prefix}dropdown-link-disabled-color: #{$dropdown-dark-link-disabled-color};
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--#{$prefix}dropdown-header-color: #{$dropdown-dark-header-color};
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// scss-docs-end dropdown-dark-css-vars
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}
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