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@scottnix /gist:a6fd7fd6fda2cab56e41
Created Jul 27, 2014

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Sass for Bootstrap 3 Dropdown Menu
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gistfile1.sass
//
// Bootstrap 3 Variables
// This is an incomplete list of bootstrap variables, lists only what pertains to the dropdown menu and various possible options.
//
//== Colors
//
//## Gray and brand colors for use across Bootstrap.
$gray-darker: lighten(#000, 13.5%) !default; // #222
$gray-dark: lighten(#000, 20%) !default; // #333
$gray: lighten(#000, 33.5%) !default; // #555
$gray-light: lighten(#000, 60%) !default; // #999
$gray-lighter: lighten(#000, 93.5%) !default; // #eee
$brand-primary: #428bca !default;
$brand-success: #5cb85c !default;
$brand-info: #5bc0de !default;
$brand-warning: #f0ad4e !default;
$brand-danger: #d9534f !default;
//== Scaffolding
//
//## Settings for some of the most global styles.
//** Background color for `<body>`.
$body-bg: #fff !default;
//** Global text color on `<body>`.
$text-color: $gray-dark !default;
//** Global textual link color.
$link-color: $brand-primary !default;
//** Link hover color set via `darken()` function.
$link-hover-color: darken($link-color, 15%) !default;
//== Typography
//
//## Font, line-height, and color for body text, headings, and more.
$font-size-base: 16px !default;
$font-size-large: ceil(($font-size-base * 1.25)) !default; // ~18px
$font-size-small: ceil(($font-size-base * 0.85)) !default; // ~12px
//** Unit-less `line-height` for use in components like buttons.
$line-height-base: 1.428571429 !default; // 20/14
//** Computed "line-height" (`font-size` * `line-height`) for use with `margin`, `padding`, etc.
$line-height-computed: floor(($font-size-base * $line-height-base)) !default; // ~20px
//== Components
//
//## Define common padding and border radius sizes and more. Values based on 14px text and 1.428 line-height (~20px to start).
$padding-base-vertical: 6px !default;
$padding-base-horizontal: 12px !default;
$padding-large-vertical: 10px !default;
$padding-large-horizontal: 16px !default;
$padding-small-vertical: 5px !default;
$padding-small-horizontal: 10px !default;
$padding-xs-vertical: 1px !default;
$padding-xs-horizontal: 5px !default;
$line-height-large: 1.33 !default;
$line-height-small: 1.5 !default;
$border-radius-base: 4px !default;
$border-radius-large: 6px !default;
$border-radius-small: 3px !default;
//** Global color for active items (e.g., navs or dropdowns).
$component-active-color: #fff !default;
//** Global background color for active items (e.g., navs or dropdowns).
$component-active-bg: $brand-primary !default;
//** Width of the `border` for generating carets that indicator dropdowns.
$caret-width-base: 5px !default;
//** Carets increase slightly in size for larger components.
$caret-width-large: 6px !default;
//== Tables
//
//## Customizes the `.table` component with basic values, each used across all table variations.
//** Padding for `<th>`s and `<td>`s.
$table-cell-padding: 8px !default;
//** Padding for cells in `.table-condensed`.
$table-condensed-cell-padding: 5px !default;
//** Default background color used for all tables.
$table-bg: transparent !default;
//** Background color used for `.table-striped`.
$table-bg-accent: #f9f9f9 !default;
//** Background color used for `.table-hover`.
$table-bg-hover: #f5f5f5 !default;
$table-bg-active: $table-bg-hover !default;
//** Border color for table and cell borders.
$table-border-color: #ddd !default;
//== Buttons
//
//## For each of Bootstrap's buttons, define text, background and border color.
$btn-font-weight: normal !default;
$btn-default-color: #333 !default;
$btn-default-bg: #fff !default;
$btn-default-border: #ccc !default;
$btn-primary-color: #fff !default;
$btn-primary-bg: $brand-primary !default;
$btn-primary-border: darken($btn-primary-bg, 5%) !default;
$btn-success-color: #fff !default;
$btn-success-bg: $brand-success !default;
$btn-success-border: darken($btn-success-bg, 5%) !default;
$btn-info-color: #fff !default;
$btn-info-bg: $brand-info !default;
$btn-info-border: darken($btn-info-bg, 5%) !default;
$btn-warning-color: #fff !default;
$btn-warning-bg: $brand-warning !default;
$btn-warning-border: darken($btn-warning-bg, 5%) !default;
$btn-danger-color: #fff !default;
$btn-danger-bg: $brand-danger !default;
$btn-danger-border: darken($btn-danger-bg, 5%) !default;
$btn-link-disabled-color: $gray-light !default;
//== Forms
//
//##
//** `<input>` background color
$input-bg: #fff !default;
//** `<input disabled>` background color
$input-bg-disabled: $gray-lighter !default;
//** Text color for `<input>`s
$input-color: $gray !default;
//** `<input>` border color
$input-border: #ccc !default;
//** `<input>` border radius
$input-border-radius: $border-radius-base !default;
//** Border color for inputs on focus
$input-border-focus: #66afe9 !default;
//** Placeholder text color
$input-color-placeholder: $gray-light !default;
//** Default `.form-control` height
$input-height-base: ($line-height-computed + ($padding-base-vertical * 2) + 2) !default;
//** Large `.form-control` height
$input-height-large: (ceil($font-size-large * $line-height-large) + ($padding-large-vertical * 2) + 2) !default;
//** Small `.form-control` height
$input-height-small: (floor($font-size-small * $line-height-small) + ($padding-small-vertical * 2) + 2) !default;
$legend-color: $gray-dark !default;
$legend-border-color: #e5e5e5 !default;
//** Background color for textual input addons
$input-group-addon-bg: $gray-lighter !default;
//** Border color for textual input addons
$input-group-addon-border-color: $input-border !default;
//== Dropdowns
//
//## Dropdown menu container and contents.
//** Background for the dropdown menu.
$dropdown-bg: #fff !default;
//** Dropdown menu `border-color`.
$dropdown-border: rgba(0,0,0,.15) !default;
//** Dropdown menu `border-color` **for IE8**.
$dropdown-fallback-border: #ccc !default;
//** Divider color for between dropdown items.
$dropdown-divider-bg: #e5e5e5 !default;
//** Dropdown link text color.
$dropdown-link-color: $gray-dark !default;
//** Hover color for dropdown links.
$dropdown-link-hover-color: darken($gray-dark, 5%) !default;
//** Hover background for dropdown links.
$dropdown-link-hover-bg: #f5f5f5 !default;
//** Active dropdown menu item text color.
$dropdown-link-active-color: $component-active-color !default;
//** Active dropdown menu item background color.
$dropdown-link-active-bg: $component-active-bg !default;
//** Disabled dropdown menu item background color.
$dropdown-link-disabled-color: $gray-light !default;
//** Text color for headers within dropdown menus.
$dropdown-header-color: $gray-light !default;
//** Deprecated `$dropdown-caret-color` as of v3.1.0
$dropdown-caret-color: #000 !default;
//-- Z-index master list
//
// Warning: Avoid customizing these values. They're used for a bird's eye view
// of components dependent on the z-axis and are designed to all work together.
//
// Note: These variables are not generated into the Customizer.
$zindex-navbar: 1000 !default;
$zindex-dropdown: 1000 !default;
$zindex-popover: 1060 !default;
$zindex-tooltip: 1070 !default;
$zindex-navbar-fixed: 1030 !default;
$zindex-modal-background: 1040 !default;
$zindex-modal: 1050 !default;
//== Media queries breakpoints
//
//## Define the breakpoints at which your layout will change, adapting to different screen sizes.
// Extra small screen / phone
//** Deprecated `$screen-xs` as of v3.0.1
$screen-xs: 480px !default;
//** Deprecated `$screen-xs-min` as of v3.2.0
$screen-xs-min: $screen-xs !default;
//** Deprecated `$screen-phone` as of v3.0.1
$screen-phone: $screen-xs-min !default;
// Small screen / tablet
//** Deprecated `$screen-sm` as of v3.0.1
$screen-sm: 768px !default;
$screen-sm-min: $screen-sm !default;
//** Deprecated `$screen-tablet` as of v3.0.1
$screen-tablet: $screen-sm-min !default;
// Medium screen / desktop
//** Deprecated `$screen-md` as of v3.0.1
$screen-md: 992px !default;
$screen-md-min: $screen-md !default;
//** Deprecated `$screen-desktop` as of v3.0.1
$screen-desktop: $screen-md-min !default;
// Large screen / wide desktop
//** Deprecated `$screen-lg` as of v3.0.1
$screen-lg: 1200px !default;
$screen-lg-min: $screen-lg !default;
//** Deprecated `$screen-lg-desktop` as of v3.0.1
$screen-lg-desktop: $screen-lg-min !default;
// So media queries don't overlap when required, provide a maximum
$screen-xs-max: ($screen-sm-min - 1) !default;
$screen-sm-max: ($screen-md-min - 1) !default;
$screen-md-max: ($screen-lg-min - 1) !default;
//== Grid system
//
//## Define your custom responsive grid.
//** Number of columns in the grid.
$grid-columns: 12 !default;
//** Padding between columns. Gets divided in half for the left and right.
$grid-gutter-width: 30px !default;
// Navbar collapse
//** Point at which the navbar becomes uncollapsed.
$grid-float-breakpoint: $screen-sm-min !default;
//** Point at which the navbar begins collapsing.
$grid-float-breakpoint-max: ($grid-float-breakpoint - 1) !default;
//== Container sizes
//
//## Define the maximum width of `.container` for different screen sizes.
// Small screen / tablet
$container-tablet: ((720px + $grid-gutter-width)) !default;
//** For `$screen-sm-min` and up.
$container-sm: $container-tablet !default;
// Medium screen / desktop
$container-desktop: ((940px + $grid-gutter-width)) !default;
//** For `$screen-md-min` and up.
$container-md: $container-desktop !default;
// Large screen / wide desktop
$container-large-desktop: ((1140px + $grid-gutter-width)) !default;
//** For `$screen-lg-min` and up.
$container-lg: $container-large-desktop !default;
//== Navbar
//
//##
// Basics of a navbar
$navbar-height: 50px !default;
$navbar-margin-bottom: $line-height-computed !default;
$navbar-border-radius: $border-radius-base !default;
$navbar-padding-horizontal: floor(($grid-gutter-width / 2)) !default;
$navbar-padding-vertical: (($navbar-height - $line-height-computed) / 2) !default;
$navbar-collapse-max-height: 340px !default;
$navbar-default-color: #777 !default;
$navbar-default-bg: #f8f8f8 !default;
$navbar-default-border: darken($navbar-default-bg, 6.5%) !default;
// Navbar links
$navbar-default-link-color: #777 !default;
$navbar-default-link-hover-color: #333 !default;
$navbar-default-link-hover-bg: transparent !default;
$navbar-default-link-active-color: #555 !default;
$navbar-default-link-active-bg: darken($navbar-default-bg, 6.5%) !default;
$navbar-default-link-disabled-color: #ccc !default;
$navbar-default-link-disabled-bg: transparent !default;
// Navbar brand label
$navbar-default-brand-color: $navbar-default-link-color !default;
$navbar-default-brand-hover-color: darken($navbar-default-brand-color, 10%) !default;
$navbar-default-brand-hover-bg: transparent !default;
// Navbar toggle
$navbar-default-toggle-hover-bg: #ddd !default;
$navbar-default-toggle-icon-bar-bg: #888 !default;
$navbar-default-toggle-border-color: #ddd !default;
// Inverted navbar
// Reset inverted navbar basics
$navbar-inverse-color: $gray-light !default;
$navbar-inverse-bg: #222 !default;
$navbar-inverse-border: darken($navbar-inverse-bg, 10%) !default;
// Inverted navbar links
$navbar-inverse-link-color: $gray-light !default;
$navbar-inverse-link-hover-color: #fff !default;
$navbar-inverse-link-hover-bg: transparent !default;
$navbar-inverse-link-active-color: $navbar-inverse-link-hover-color !default;
$navbar-inverse-link-active-bg: darken($navbar-inverse-bg, 10%) !default;
$navbar-inverse-link-disabled-color: #444 !default;
$navbar-inverse-link-disabled-bg: transparent !default;
// Inverted navbar brand label
$navbar-inverse-brand-color: $navbar-inverse-link-color !default;
$navbar-inverse-brand-hover-color: #fff !default;
$navbar-inverse-brand-hover-bg: transparent !default;
// Inverted navbar toggle
$navbar-inverse-toggle-hover-bg: #333 !default;
$navbar-inverse-toggle-icon-bar-bg: #fff !default;
$navbar-inverse-toggle-border-color: #333 !default;
//== Navs
//
//##
//=== Shared nav styles
$nav-link-padding: 10px 15px !default;
$nav-link-hover-bg: $gray-lighter !default;
$nav-disabled-link-color: $gray-light !default;
$nav-disabled-link-hover-color: $gray-light !default;
$nav-open-link-hover-color: #fff !default;
//== Tabs
$nav-tabs-border-color: #ddd !default;
$nav-tabs-link-hover-border-color: $gray-lighter !default;
$nav-tabs-active-link-hover-bg: $body-bg !default;
$nav-tabs-active-link-hover-color: $gray !default;
$nav-tabs-active-link-hover-border-color: #ddd !default;
$nav-tabs-justified-link-border-color: #ddd !default;
$nav-tabs-justified-active-link-border-color: $body-bg !default;
//== Pills
$nav-pills-border-radius: $border-radius-base !default;
$nav-pills-active-link-hover-bg: $component-active-bg !default;
$nav-pills-active-link-hover-color: $component-active-color !default;
//== List group
//
//##
//** Background color on `.list-group-item`
$list-group-bg: #fff !default;
//** `.list-group-item` border color
$list-group-border: #ddd !default;
//** List group border radius
$list-group-border-radius: $border-radius-base !default;
//** Background color of single list items on hover
$list-group-hover-bg: #f5f5f5 !default;
//** Text color of active list items
$list-group-active-color: $component-active-color !default;
//** Background color of active list items
$list-group-active-bg: $component-active-bg !default;
//** Border color of active list elements
$list-group-active-border: $list-group-active-bg !default;
//** Text color for content within active list items
$list-group-active-text-color: lighten($list-group-active-bg, 40%) !default;
//** Text color of disabled list items
$list-group-disabled-color: $gray-light !default;
//** Background color of disabled list items
$list-group-disabled-bg: $gray-lighter !default;
//** Text color for content within disabled list items
$list-group-disabled-text-color: $list-group-disabled-color !default;
$list-group-link-color: #555 !default;
$list-group-link-hover-color: $list-group-link-color !default;
$list-group-link-heading-color: #333 !default;
//== Badges
//
//##
$badge-color: #fff !default;
//** Linked badge text color on hover
$badge-link-hover-color: #fff !default;
$badge-bg: $gray-light !default;
//** Badge text color in active nav link
$badge-active-color: $link-color !default;
//** Badge background color in active nav link
$badge-active-bg: #fff !default;
$badge-font-weight: bold !default;
$badge-line-height: 1 !default;
$badge-border-radius: 10px !default;
//
// Bootstrap 3 Mixins
// This is an incomplete list of bootstrap mixins, lists only what pertains to the dropdown menu and various possible options.
//
// Navbar vertical align
//
// Vertically center elements in the navbar.
// Example: an element has a height of 30px, so write out `.navbar-vertical-align(30px);` to calculate the appropriate top margin.
@mixin navbar-vertical-align($element-height) {
margin-top: (($navbar-height - $element-height) / 2);
margin-bottom: (($navbar-height - $element-height) / 2);
}
// Single side border-radius
//
@mixin border-top-radius($radius) {
border-top-right-radius: $radius;
border-top-left-radius: $radius;
}
@mixin border-right-radius($radius) {
border-bottom-right-radius: $radius;
border-top-right-radius: $radius;
}
@mixin border-bottom-radius($radius) {
border-bottom-right-radius: $radius;
border-bottom-left-radius: $radius;
}
@mixin border-left-radius($radius) {
border-bottom-left-radius: $radius;
border-top-left-radius: $radius;
}
// Horizontal dividers
//
// Dividers (basically an hr) within dropdowns and nav lists
@mixin nav-divider($color: #e5e5e5) {
height: 1px;
margin: (($line-height-computed / 2) - 1) 0;
overflow: hidden;
background-color: $color;
}
//
// Bootstrap 3 Styling
// This is an incomplete list of bootstrap styles, lists only what pertains to the dropdown menu and various possible options.
//
// Base class
// --------------------------------------------------
.nav {
margin-bottom: 0;
padding-left: 0; // Override default ul/ol
list-style: none;
@extend %clearfix;
> li {
position: relative;
display: block;
> a {
position: relative;
display: block;
padding: $nav-link-padding;
&:hover,
&:focus {
text-decoration: none;
background-color: $nav-link-hover-bg;
}
}
// Disabled state sets text to gray and nukes hover/tab effects
&.disabled > a {
color: $nav-disabled-link-color;
&:hover,
&:focus {
color: $nav-disabled-link-hover-color;
text-decoration: none;
background-color: transparent;
cursor: not-allowed;
}
}
}
// Open dropdowns
.open > a {
&,
&:hover,
&:focus {
background-color: $nav-link-hover-bg;
border-color: $link-color;
}
}
}
//
// Navbars
// --------------------------------------------------
// Wrapper and base class
//
// Provide a static navbar from which we expand to create full-width, fixed, and
// other navbar variations.
.navbar {
position: relative;
min-height: $navbar-height; // Ensure a navbar always shows (e.g., without a .navbar-brand in collapsed mode)
margin-bottom: $navbar-margin-bottom;
border: 1px solid transparent;
// Prevent floats from breaking the navbar
@extend %clearfix;
@media (min-width: $grid-float-breakpoint) {
border-radius: $navbar-border-radius;
}
}
// Navbar heading
//
// Groups `.navbar-brand` and `.navbar-toggle` into a single component for easy
// styling of responsive aspects.
.navbar-header {
@extend %clearfix;
@media (min-width: $grid-float-breakpoint) {
float: left;
}
}
// Navbar collapse (body)
//
// Group your navbar content into this for easy collapsing and expanding across
// various device sizes. By default, this content is collapsed when <768px, but
// will expand past that for a horizontal display.
//
// To start (on mobile devices) the navbar links, forms, and buttons are stacked
// vertically and include a `max-height` to overflow in case you have too much
// content for the user's viewport.
.navbar-collapse {
overflow-x: visible;
padding-right: $navbar-padding-horizontal;
padding-left: $navbar-padding-horizontal;
border-top: 1px solid transparent;
box-shadow: inset 0 1px 0 rgba(255,255,255,.1);
@extend %clearfix;
-webkit-overflow-scrolling: touch;
&.in {
overflow-y: auto;
}
@media (min-width: $grid-float-breakpoint) {
width: auto;
border-top: 0;
box-shadow: none;
&.collapse {
display: block !important;
height: auto !important;
padding-bottom: 0; // Override default setting
overflow: visible !important;
}
&.in {
overflow-y: visible;
}
// Undo the collapse side padding for navbars with containers to ensure
// alignment of right-aligned contents.
.navbar-fixed-top &,
.navbar-static-top &,
.navbar-fixed-bottom & {
padding-left: 0;
padding-right: 0;
}
}
}
.navbar-fixed-top,
.navbar-fixed-bottom {
.navbar-collapse {
max-height: $navbar-collapse-max-height;
@media (max-width: $screen-xs-min) and (orientation: landscape) {
max-height: 200px;
}
}
}
// Both navbar header and collapse
//
// When a container is present, change the behavior of the header and collapse.
.container,
.container-fluid {
> .navbar-header,
> .navbar-collapse {
margin-right: -$navbar-padding-horizontal;
margin-left: -$navbar-padding-horizontal;
@media (min-width: $grid-float-breakpoint) {
margin-right: 0;
margin-left: 0;
}
}
}
//
// Navbar alignment options
//
// Display the navbar across the entirety of the page or fixed it to the top or
// bottom of the page.
// Static top (unfixed, but 100% wide) navbar
.navbar-static-top {
z-index: $zindex-navbar;
border-width: 0 0 1px;
@media (min-width: $grid-float-breakpoint) {
border-radius: 0;
}
}
// Fix the top/bottom navbars when screen real estate supports it
.navbar-fixed-top,
.navbar-fixed-bottom {
position: fixed;
right: 0;
left: 0;
z-index: $zindex-navbar-fixed;
// Undo the rounded corners
@media (min-width: $grid-float-breakpoint) {
border-radius: 0;
}
}
.navbar-fixed-top {
top: 0;
border-width: 0 0 1px;
}
.navbar-fixed-bottom {
bottom: 0;
margin-bottom: 0; // override .navbar defaults
border-width: 1px 0 0;
}
// Brand/project name
.navbar-brand {
float: left;
padding: $navbar-padding-vertical $navbar-padding-horizontal;
font-size: $font-size-large;
line-height: $line-height-computed;
height: $navbar-height;
&:hover,
&:focus {
text-decoration: none;
}
@media (min-width: $grid-float-breakpoint) {
display: none;
.navbar > .container &,
.navbar > .container-fluid & {
margin-left: -$navbar-padding-horizontal;
}
}
}
// Navbar toggle
//
// Custom button for toggling the `.navbar-collapse`, powered by the collapse
// JavaScript plugin.
.navbar-toggle {
position: relative;
float: right;
margin-right: $navbar-padding-horizontal;
padding: 9px 10px;
@include navbar-vertical-align(34px);
background-color: transparent;
background-image: none; // Reset unusual Firefox-on-Android default style; see https://github.com/necolas/normalize.css/issues/214
border: 1px solid transparent;
border-radius: $border-radius-base;
// We remove the `outline` here, but later compensate by attaching `:hover`
// styles to `:focus`.
&:focus {
outline: 0;
}
// Bars
.icon-bar {
display: block;
width: 22px;
height: 2px;
border-radius: 1px;
}
.icon-bar + .icon-bar {
margin-top: 4px;
}
@media (min-width: $grid-float-breakpoint) {
display: none;
}
}
.sr-only {
@extend %visuallyhidden;
}
.collapse {
display: none;
&.in {
display: block;
}
}
.collapsing {
position: relative;
height: 0;
overflow: hidden;
transition: height .35s ease;
}
// Navbar nav links
//
// Builds on top of the `.nav` components with its own modifier class to make
// the nav the full height of the horizontal nav (above 768px).
.navbar-nav {
margin: ($navbar-padding-vertical / 2) (-$navbar-padding-horizontal);
list-style: none;
> li > a {
padding-top: 10px;
padding-bottom: 10px;
line-height: $line-height-computed;
}
@media (max-width: $grid-float-breakpoint-max) {
// Dropdowns get custom display when collapsed
.open .dropdown-menu {
position: static;
float: none;
width: auto;
margin-top: 0;
background-color: transparent;
border: 0;
box-shadow: none;
> li > a,
.dropdown-header {
padding: 5px 15px 5px 25px;
}
> li > a {
line-height: $line-height-computed;
&:hover,
&:focus {
background-image: none;
}
}
}
}
// Uncollapse the nav
@media (min-width: $grid-float-breakpoint) {
float: left;
margin: 0;
> li {
float: left;
> a {
padding-top: $navbar-padding-vertical;
padding-bottom: $navbar-padding-vertical;
}
}
&.navbar-right:last-child {
margin-right: -$navbar-padding-horizontal;
}
}
}
// Component alignment
//
// Repurpose the pull utilities as their own navbar utilities to avoid specificity
// issues with parents and chaining. Only do this when the navbar is uncollapsed
// though so that navbar contents properly stack and align in mobile.
@media (min-width: $grid-float-breakpoint) {
.navbar-left {
float: left !important;
}
.navbar-right {
float: right !important;
}
}
// Navbar form
//
// Extension of the `.form-inline` with some extra flavor for optimum display in
// our navbars.
.navbar-form {
margin-left: -$navbar-padding-horizontal;
margin-right: -$navbar-padding-horizontal;
padding: 10px $navbar-padding-horizontal;
border-top: 1px solid transparent;
border-bottom: 1px solid transparent;
$shadow: inset 0 1px 0 rgba(255,255,255,.1), 0 1px 0 rgba(255,255,255,.1);
box-shadow: $shadow;
// Mixin behavior for optimum display
// this is currently disabled because it requires a pretty healthy chunk of Sass to be added from the Bootstrap _forms.scss file.
// @extend .form-inline;
.form-group {
@media (max-width: $grid-float-breakpoint-max) {
margin-bottom: 5px;
}
}
// Vertically center in expanded, horizontal navbar
@include navbar-vertical-align($input-height-base);
// Undo 100% width for pull classes
@media (min-width: $grid-float-breakpoint) {
width: auto;
border: 0;
margin-left: 0;
margin-right: 0;
padding-top: 0;
padding-bottom: 0;
box-shadow: none;
// Outdent the form if last child to line up with content down the page
&.navbar-right:last-child {
margin-right: -$navbar-padding-horizontal;
}
}
}
// Dropdown menus
// Menu position and menu carets
.navbar-nav > li > .dropdown-menu {
margin-top: 0;
@include border-top-radius(0);
}
// Menu position and menu caret support for dropups via extra dropup class
.navbar-fixed-bottom .navbar-nav > li > .dropdown-menu {
@include border-bottom-radius(0);
}
// Buttons in navbars
//
// Vertically center a button within a navbar (when *not* in a form).
.navbar-btn {
@include navbar-vertical-align($input-height-base);
&.btn-sm {
@include navbar-vertical-align($input-height-small);
}
&.btn-xs {
@include navbar-vertical-align(22);
}
}
// Text in navbars
//
// Add a class to make any element properly align itself vertically within the navbars.
.navbar-text {
@include navbar-vertical-align($line-height-computed);
@media (min-width: $grid-float-breakpoint) {
float: left;
margin-left: $navbar-padding-horizontal;
margin-right: $navbar-padding-horizontal;
// Outdent the form if last child to line up with content down the page
&.navbar-right:last-child {
margin-right: 0;
}
}
}
// Alternate navbars
// --------------------------------------------------
// Default navbar
.navbar-default {
background-color: $navbar-default-bg;
border-color: $navbar-default-border;
.navbar-brand {
color: $navbar-default-brand-color;
&:hover,
&:focus {
color: $navbar-default-brand-hover-color;
background-color: $navbar-default-brand-hover-bg;
}
}
.navbar-text {
color: $navbar-default-color;
}
.navbar-nav {
> li > a {
color: $navbar-default-link-color;
&:hover,
&:focus {
color: $navbar-default-link-hover-color;
background-color: $navbar-default-link-hover-bg;
}
}
> .active > a {
&,
&:hover,
&:focus {
color: $navbar-default-link-active-color;
background-color: $navbar-default-link-active-bg;
}
}
> .disabled > a {
&,
&:hover,
&:focus {
color: $navbar-default-link-disabled-color;
background-color: $navbar-default-link-disabled-bg;
}
}
}
.navbar-toggle {
border-color: $navbar-default-toggle-border-color;
&:hover,
&:focus {
background-color: $navbar-default-toggle-hover-bg;
}
.icon-bar {
background-color: $navbar-default-toggle-icon-bar-bg;
}
}
.navbar-collapse,
.navbar-form {
border-color: $navbar-default-border;
}
// Dropdown menu items
.navbar-nav {
// Remove background color from open dropdown
> .open > a {
&,
&:hover,
&:focus {
background-color: $navbar-default-link-active-bg;
color: $navbar-default-link-active-color;
}
}
@media (max-width: $grid-float-breakpoint-max) {
// Dropdowns get custom display when collapsed
.open .dropdown-menu {
> li > a {
color: $navbar-default-link-color;
&:hover,
&:focus {
color: $navbar-default-link-hover-color;
background-color: $navbar-default-link-hover-bg;
}
}
> .active > a {
&,
&:hover,
&:focus {
color: $navbar-default-link-active-color;
background-color: $navbar-default-link-active-bg;
}
}
> .disabled > a {
&,
&:hover,
&:focus {
color: $navbar-default-link-disabled-color;
background-color: $navbar-default-link-disabled-bg;
}
}
}
}
}
// Links in navbars
//
// Add a class to ensure links outside the navbar nav are colored correctly.
.navbar-link {
color: $navbar-default-link-color;
&:hover {
color: $navbar-default-link-hover-color;
}
}
.btn-link {
color: $navbar-default-link-color;
&:hover,
&:focus {
color: $navbar-default-link-hover-color;
}
&[disabled],
fieldset[disabled] & {
&:hover,
&:focus {
color: $navbar-default-link-disabled-color;
}
}
}
}
// Inverse navbar
.navbar-inverse {
background-color: $navbar-inverse-bg;
border-color: $navbar-inverse-border;
.navbar-brand {
color: $navbar-inverse-brand-color;
&:hover,
&:focus {
color: $navbar-inverse-brand-hover-color;
background-color: $navbar-inverse-brand-hover-bg;
}
}
.navbar-text {
color: $navbar-inverse-color;
}
.navbar-nav {
> li > a {
color: $navbar-inverse-link-color;
&:hover,
&:focus {
color: $navbar-inverse-link-hover-color;
background-color: $navbar-inverse-link-hover-bg;
}
}
> .active > a {
&,
&:hover,
&:focus {
color: $navbar-inverse-link-active-color;
background-color: $navbar-inverse-link-active-bg;
}
}
> .disabled > a {
&,
&:hover,
&:focus {
color: $navbar-inverse-link-disabled-color;
background-color: $navbar-inverse-link-disabled-bg;
}
}
}
// Darken the responsive nav toggle
.navbar-toggle {
border-color: $navbar-inverse-toggle-border-color;
&:hover,
&:focus {
background-color: $navbar-inverse-toggle-hover-bg;
}
.icon-bar {
background-color: $navbar-inverse-toggle-icon-bar-bg;
}
}
.navbar-collapse,
.navbar-form {
border-color: darken($navbar-inverse-bg, 7%);
}
// Dropdowns
.navbar-nav {
> .open > a {
&,
&:hover,
&:focus {
background-color: $navbar-inverse-link-active-bg;
color: $navbar-inverse-link-active-color;
}
}
@media (max-width: $grid-float-breakpoint-max) {
// Dropdowns get custom display
.open .dropdown-menu {
> .dropdown-header {
border-color: $navbar-inverse-border;
}
.divider {
background-color: $navbar-inverse-border;
}
> li > a {
color: $navbar-inverse-link-color;
&:hover,
&:focus {
color: $navbar-inverse-link-hover-color;
background-color: $navbar-inverse-link-hover-bg;
}
}
> .active > a {
&,
&:hover,
&:focus {
color: $navbar-inverse-link-active-color;
background-color: $navbar-inverse-link-active-bg;
}
}
> .disabled > a {
&,
&:hover,
&:focus {
color: $navbar-inverse-link-disabled-color;
background-color: $navbar-inverse-link-disabled-bg;
}
}
}
}
}
.navbar-link {
color: $navbar-inverse-link-color;
&:hover {
color: $navbar-inverse-link-hover-color;
}
}
.btn-link {
color: $navbar-inverse-link-color;
&:hover,
&:focus {
color: $navbar-inverse-link-hover-color;
}
&[disabled],
fieldset[disabled] & {
&:hover,
&:focus {
color: $navbar-inverse-link-disabled-color;
}
}
}
}
//
// Dropdown menus
// --------------------------------------------------
// Dropdown arrow/caret
.caret {
display: inline-block;
width: 0;
height: 0;
margin-left: 2px;
vertical-align: middle;
border-top: $caret-width-base solid;
border-right: $caret-width-base solid transparent;
border-left: $caret-width-base solid transparent;
}
// The dropdown wrapper (div)
.dropdown {
position: relative;
}
// Prevent the focus on the dropdown toggle when closing dropdowns
.dropdown-toggle:focus {
outline: 0;
}
// The dropdown menu (ul)
.dropdown-menu {
position: absolute;
top: 100%;
left: 0;
z-index: $zindex-dropdown;
display: none; // none by default, but block on "open" of the menu
float: left;
min-width: 160px;
padding: 5px 0;
margin: 2px 0 0; // override default ul
list-style: none;
font-size: $font-size-base;
text-align: left; // Ensures proper alignment if parent has it changed (e.g., modal footer)
background-color: $dropdown-bg;
border: 1px solid $dropdown-fallback-border; // IE8 fallback
border: 1px solid $dropdown-border;
border-radius: $border-radius-base;
box-shadow: 0 6px 12px rgba(0,0,0,.175);
background-clip: padding-box;
// Aligns the dropdown menu to right
//
// Deprecated as of 3.1.0 in favor of `.dropdown-menu-[dir]`
&.pull-right {
right: 0;
left: auto;
}
// Dividers (basically an hr) within the dropdown
.divider {
@include nav-divider($dropdown-divider-bg);
}
// Links within the dropdown menu
> li > a {
display: block;
padding: 3px 20px;
clear: both;
font-weight: normal;
line-height: $line-height-base;
color: $dropdown-link-color;
white-space: nowrap; // prevent links from randomly breaking onto new lines
}
}
// Hover/Focus state
.dropdown-menu > li > a {
&:hover,
&:focus {
text-decoration: none;
color: $dropdown-link-hover-color;
background-color: $dropdown-link-hover-bg;
}
}
// Active state
.dropdown-menu > .active > a {
&,
&:hover,
&:focus {
color: $dropdown-link-active-color;
text-decoration: none;
outline: 0;
background-color: $dropdown-link-active-bg;
}
}
// Disabled state
//
// Gray out text and ensure the hover/focus state remains gray
.dropdown-menu > .disabled > a {
&,
&:hover,
&:focus {
color: $dropdown-link-disabled-color;
}
}
// Nuke hover/focus effects
.dropdown-menu > .disabled > a {
&:hover,
&:focus {
text-decoration: none;
background-color: transparent;
background-image: none; // Remove CSS gradient
cursor: not-allowed;
}
}
// Open state for the dropdown
.open {
// Show the menu
> .dropdown-menu {
display: block;
}
// Remove the outline when :focus is triggered
> a {
outline: 0;
}
}
// Menu positioning
//
// Add extra class to `.dropdown-menu` to flip the alignment of the dropdown
// menu with the parent.
.dropdown-menu-right {
left: auto; // Reset the default from `.dropdown-menu`
right: 0;
}
// With v3, we enabled auto-flipping if you have a dropdown within a right
// aligned nav component. To enable the undoing of that, we provide an override
// to restore the default dropdown menu alignment.
//
// This is only for left-aligning a dropdown menu within a `.navbar-right` or
// `.pull-right` nav component.
.dropdown-menu-left {
left: 0;
right: auto;
}
// Dropdown section headers
.dropdown-header {
display: block;
padding: 3px 20px;
font-size: $font-size-small;
line-height: $line-height-base;
color: $dropdown-header-color;
white-space: nowrap; // as with > li > a
}
// Backdrop to catch body clicks on mobile, etc.
.dropdown-backdrop {
position: fixed;
left: 0;
right: 0;
bottom: 0;
top: 0;
z-index: ($zindex-dropdown - 10);
}
// Right aligned dropdowns
.pull-right > .dropdown-menu {
right: 0;
left: auto;
}
// Allow for dropdowns to go bottom up (aka, dropup-menu)
//
// Just add .dropup after the standard .dropdown class and you're set, bro.
// TODO: abstract this so that the navbar fixed styles are not placed here?
.dropup,
.navbar-fixed-bottom .dropdown {
// Reverse the caret
.caret {
border-top: 0;
border-bottom: $caret-width-base solid;
content: "";
}
// Different positioning for bottom up menu
.dropdown-menu {
top: auto;
bottom: 100%;
margin-bottom: 1px;
}
}
// Component alignment
//
// Reiterate per navbar.less and the modified component alignment there.
@media (min-width: $grid-float-breakpoint) {
.navbar-right {
.dropdown-menu {
right: 0; left: auto;
}
// Necessary for overrides of the default right aligned menu.
// Will remove come v4 in all likelihood.
.dropdown-menu-left {
left: 0; right: auto;
}
}
}
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