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https://github.com/twbs/bootstrap.git
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124 lines
3.0 KiB
SCSS
124 lines
3.0 KiB
SCSS
// The dropdown wrapper (`<div>`)
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.dropup,
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.dropdown {
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position: relative;
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}
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.dropdown-toggle {
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// Generate the caret automatically
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&::after {
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display: inline-block;
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width: 0;
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height: 0;
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margin-left: $caret-width * .85;
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vertical-align: $caret-width * .85;
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content: "";
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border-top: $caret-width solid;
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border-right: $caret-width solid transparent;
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border-left: $caret-width solid transparent;
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}
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&:empty::after {
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margin-left: 0;
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}
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}
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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-toggle {
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&::after {
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border-top: 0;
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border-bottom: $caret-width solid;
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}
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}
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}
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// The dropdown menu
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.dropdown-menu {
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position: absolute;
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top: 100%;
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left: 0;
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z-index: $zindex-dropdown;
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display: none; // none by default, but block on "open" of the menu
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float: left;
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min-width: $dropdown-min-width;
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padding: $dropdown-padding-y 0;
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margin: $dropdown-margin-top 0 0; // override default ul
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font-size: $font-size-base; // Redeclare because nesting can cause inheritance issues
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color: $body-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: $dropdown-bg;
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background-clip: padding-box;
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border: $dropdown-border-width solid $dropdown-border-color;
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@include border-radius($border-radius);
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@include box-shadow($dropdown-box-shadow);
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}
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// Dividers (basically an `<hr>`) within the dropdown
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.dropdown-divider {
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@include nav-divider($dropdown-divider-bg);
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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: $dropdown-item-padding-y $dropdown-item-padding-x;
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clear: both;
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font-weight: $font-weight-normal;
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color: $dropdown-link-color;
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text-align: inherit; // For `<button>`s
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white-space: nowrap; // prevent links from randomly breaking onto new lines
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background: none; // For `<button>`s
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border: 0; // For `<button>`s
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@include hover-focus {
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color: $dropdown-link-hover-color;
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text-decoration: none;
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background-color: $dropdown-link-hover-bg;
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}
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&.active,
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&:active {
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color: $dropdown-link-active-color;
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text-decoration: none;
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background-color: $dropdown-link-active-bg;
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}
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&.disabled,
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&:disabled {
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color: $dropdown-link-disabled-color;
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background-color: transparent;
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// Remove CSS gradients if they're enabled
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@if $enable-gradients {
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background-image: none;
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}
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}
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}
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// Open state for the dropdown
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.show {
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// Remove the outline when :focus is triggered
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> a {
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outline: 0;
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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: $dropdown-padding-y $dropdown-item-padding-x;
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margin-bottom: 0; // for use with heading elements
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font-size: $font-size-sm;
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color: $dropdown-header-color;
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white-space: nowrap; // as with > li > a
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}
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