mirror of
https://github.com/twbs/bootstrap.git
synced 2022-11-09 12:25:43 -05:00
559 lines
12 KiB
Text
559 lines
12 KiB
Text
//
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// Navbars
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// --------------------------------------------------
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// Wrapper and base class
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//
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// Provide a static navbar from which we expand to create full-width, fixed, and
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// other navbar variations.
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.navbar {
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position: relative;
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min-height: @navbar-height; // Ensure a navbar always shows (e.g., without a .navbar-brand in collapsed mode)
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margin-bottom: @navbar-margin-bottom;
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background-color: @navbar-bg;
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border: 1px solid @navbar-border;
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// Prevent floats from breaking the navbar
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.clearfix();
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@media (min-width: @grid-float-breakpoint) {
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border-radius: @navbar-border-radius;
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}
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}
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// Navbar heading
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//
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// Groups `.navbar-brand` and `.navbar-toggle` into a single component for easy
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// styling of responsive aspects.
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.navbar-header {
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padding-left: @navbar-padding-horizontal;
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padding-right: @navbar-padding-horizontal;
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.clearfix();
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@media (min-width: @grid-float-breakpoint) {
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float: left;
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}
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}
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// Navbar collapse (body)
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//
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// Group your navbar content into this for easy collapsing and expanding across
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// various device sizes. By default, this content is collapsed when <768px, but
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// will expand past that for a horizontal display.
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//
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// To start (on mobile devices) the navbar links, forms, and buttons are stacked
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// vertically and include a `max-height` to overflow in case you have too much
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// content for the user's viewport.
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.navbar-collapse {
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padding: 5px @navbar-padding-horizontal;
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border-top: 1px solid darken(@navbar-bg, 7%);
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box-shadow: inset 0 1px 0 rgba(255,255,255,.1);
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// Clear floated elements and prevent collapsing of padding
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.clearfix();
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// This is not automatically added to the `.navbar-fixed-top` because it causes
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// z-index bugs in iOS7 (possibly earlier).
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max-height: 340px;
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overflow-x: visible;
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overflow-y: auto;
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-webkit-overflow-scrolling: touch;
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@media (min-width: @grid-float-breakpoint) {
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width: auto;
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padding-top: 0;
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padding-bottom: 0;
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border-top: 0;
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box-shadow: none;
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}
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}
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//
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// Navbar alignment options
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//
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// Display the navbar across the entirity of the page or fixed it to the top or
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// bottom of the page.
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// Static top (unfixed, but 100% wide) navbar
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.navbar-static-top {
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@media (min-width: @grid-float-breakpoint) {
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border-width: 0 0 1px;
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border-radius: 0;
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}
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}
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// Fix the top/bottom navbars when screen real estate supports it
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.navbar-fixed-top,
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.navbar-fixed-bottom {
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position: fixed;
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right: 0;
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left: 0;
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z-index: @zindex-navbar-fixed;
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border-width: 0 0 1px;
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// Undo the rounded corners
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@media (min-width: @grid-float-breakpoint) {
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border-radius: 0;
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}
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}
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.navbar-fixed-top {
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top: 0;
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}
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.navbar-fixed-bottom {
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bottom: 0;
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margin-bottom: 0; // override .navbar defaults
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}
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// Brand/project name
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.navbar-brand {
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float: left;
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margin-right: (@navbar-padding-horizontal / 2);
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padding-top: @navbar-padding-vertical;
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padding-bottom: @navbar-padding-vertical;
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font-size: @font-size-large;
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line-height: @line-height-computed;
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color: @navbar-brand-color;
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&:hover,
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&:focus {
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color: @navbar-brand-hover-color;
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text-decoration: none;
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background-color: @navbar-brand-hover-bg;
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}
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}
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// Navbar toggle
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//
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// Custom button for toggling the `.navbar-collapse`, powered by the collapse
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// JavaScript plugin.
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.navbar-toggle {
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position: relative;
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float: right;
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padding: 9px 10px;
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.navbar-vertical-align(34px);
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background-color: transparent;
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border: 1px solid @navbar-toggle-border-color;
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border-radius: @border-radius-base;
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&:hover,
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&:focus {
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background-color: @navbar-toggle-hover-bg;
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}
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// Bars
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.icon-bar {
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display: block;
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width: 22px;
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height: 2px;
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background-color: @navbar-toggle-icon-bar-bg;
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border-radius: 1px;
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}
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.icon-bar + .icon-bar {
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margin-top: 4px;
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}
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}
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// Navbar nav links
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//
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// Builds on top of the `.nav` components with it's own modifier class to make
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// the nav the full height of the horizontal nav (above 768px).
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.navbar-nav {
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margin-left: -@navbar-padding-horizontal;
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margin-right: -@navbar-padding-horizontal;
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@media (min-width: @grid-float-breakpoint) {
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margin-left: 0;
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margin-right: 0;
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}
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> li > a {
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padding-top: 10px;
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padding-bottom: 10px;
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color: @navbar-link-color;
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line-height: @line-height-computed;
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&:hover,
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&:focus {
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color: @navbar-link-hover-color;
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background-color: @navbar-link-hover-bg;
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}
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}
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> .active > a {
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&,
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&:hover,
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&:focus {
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color: @navbar-link-active-color;
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background-color: @navbar-link-active-bg;
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}
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}
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> .disabled > a {
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&,
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&:hover,
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&:focus {
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color: @navbar-link-disabled-color;
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background-color: @navbar-link-disabled-bg;
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}
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}
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@media (max-width: @screen-phone-max) {
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// Dropdowns get custom display
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.open .dropdown-menu {
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position: static;
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float: none;
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width: auto;
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margin-top: 0;
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background-color: transparent;
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border: 0;
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box-shadow: none;
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> li > a,
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.dropdown-header {
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padding: 5px 15px 5px 25px;
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}
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> li > a {
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color: @navbar-link-color;
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line-height: @line-height-computed;
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&:hover,
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&:focus {
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color: @navbar-link-hover-color;
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background-color: @navbar-link-hover-bg;
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background-image: none;
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}
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}
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> .active > a {
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&,
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&:hover,
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&:focus {
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color: @navbar-link-active-color;
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background-color: @navbar-link-active-bg;
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}
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}
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> .disabled > a {
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&,
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&:hover,
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&:focus {
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color: @navbar-link-disabled-color;
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background-color: @navbar-link-disabled-bg;
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}
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}
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}
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}
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}
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// Component alignment
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//
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// Repurpose the pull utilities as their own navbar utilities to avoid specifity
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// issues with parents and chaining. Only do this when the navbar is uncollapsed
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// though so that navbar contents properly stack and align in mobile.
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@media (min-width: @grid-float-breakpoint) {
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.navbar-left { .pull-left(); }
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.navbar-right { .pull-right(); }
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}
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// Navbar form
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//
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// Extension of the `.form-inline` with some extra flavor for optimum display in
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// our navbars.
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.navbar-form {
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margin-left: -@navbar-padding-horizontal;
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margin-right: -@navbar-padding-horizontal;
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padding: 10px @navbar-padding-horizontal;
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border-top: 1px solid darken(@navbar-bg, 7%);
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border-bottom: 1px solid darken(@navbar-bg, 7%);
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// Mixin behavior for optimum display
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.form-inline();
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.form-group {
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@media (max-width: @screen-phone-max) {
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margin-bottom: 5px;
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}
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}
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// Vertically center in expanded, horizontal navbar
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.navbar-vertical-align(@input-height-base);
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// Undo 100% width for pull classes
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@media (min-width: @grid-float-breakpoint) {
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width: auto;
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border: 0;
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margin-left: 0;
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margin-right: 0;
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padding-top: 0;
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padding-bottom: 0;
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}
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}
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// Dropdown menus
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// Menu position and menu carets
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.navbar-nav > li > .dropdown-menu {
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margin-top: 0;
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.border-top-radius(0);
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}
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// Menu position and menu caret support for dropups via extra dropup class
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.navbar-fixed-bottom .navbar-nav > li > .dropdown-menu {
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.border-bottom-radius(0);
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}
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// Dropdown menu items and carets
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.navbar-nav {
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// Caret should match text color on hover
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> .dropdown > a:hover .caret,
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> .dropdown > a:focus .caret {
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border-top-color: @navbar-link-hover-color;
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border-bottom-color: @navbar-link-hover-color;
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}
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// Remove background color from open dropdown
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> .open > a {
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&,
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&:hover,
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&:focus {
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background-color: @navbar-link-active-bg;
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color: @navbar-link-active-color;
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.caret {
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border-top-color: @navbar-link-active-color;
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border-bottom-color: @navbar-link-active-color;
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}
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}
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}
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> .dropdown > a .caret {
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border-top-color: @navbar-link-color;
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border-bottom-color: @navbar-link-color;
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}
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}
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// Right aligned menus need alt position
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.navbar-nav.pull-right > li > .dropdown-menu,
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.navbar-nav > li > .dropdown-menu.pull-right {
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left: auto;
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right: 0;
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}
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// Inverse navbar
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// --------------------------------------------------
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.navbar-inverse {
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background-color: @navbar-inverse-bg;
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border-color: @navbar-inverse-border;
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.navbar-brand {
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color: @navbar-inverse-brand-color;
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&:hover,
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&:focus {
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color: @navbar-inverse-brand-hover-color;
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background-color: @navbar-inverse-brand-hover-bg;
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}
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}
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.navbar-text {
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color: @navbar-inverse-color;
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}
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.navbar-nav {
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> li > a {
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color: @navbar-inverse-link-color;
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&:hover,
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&:focus {
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color: @navbar-inverse-link-hover-color;
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background-color: @navbar-inverse-link-hover-bg;
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}
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}
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> .active > a {
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&,
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&:hover,
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&:focus {
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color: @navbar-inverse-link-active-color;
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background-color: @navbar-inverse-link-active-bg;
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}
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}
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> .disabled > a {
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&,
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&:hover,
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&:focus {
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color: @navbar-inverse-link-disabled-color;
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background-color: @navbar-inverse-link-disabled-bg;
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}
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}
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}
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// Darken the responsive nav toggle
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.navbar-toggle {
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border-color: @navbar-inverse-toggle-border-color;
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&:hover,
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&:focus {
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background-color: @navbar-inverse-toggle-hover-bg;
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}
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.icon-bar {
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background-color: @navbar-inverse-toggle-icon-bar-bg;
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}
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}
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.navbar-collapse {
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border-top-color: darken(@navbar-inverse-bg, 7%);
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}
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// Dropdowns
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.navbar-nav {
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> .open > a {
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&,
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&:hover,
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&:focus {
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background-color: @navbar-inverse-link-active-bg;
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color: @navbar-inverse-link-active-color;
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}
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}
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> .dropdown > a:hover .caret {
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border-top-color: @navbar-inverse-link-hover-color;
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border-bottom-color: @navbar-inverse-link-hover-color;
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}
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> .dropdown > a .caret {
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border-top-color: @navbar-inverse-link-color;
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border-bottom-color: @navbar-inverse-link-color;
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}
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> .open > a {
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&,
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&:hover,
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&:focus {
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.caret {
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border-top-color: @navbar-inverse-link-active-color;
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border-bottom-color: @navbar-inverse-link-active-color;
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}
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}
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}
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@media (max-width: @screen-phone-max) {
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// Dropdowns get custom display
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.open .dropdown-menu {
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> .dropdown-header {
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border-color: @navbar-inverse-border;
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}
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> li > a {
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color: @navbar-inverse-link-color;
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&:hover,
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&:focus {
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color: @navbar-inverse-link-hover-color;
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background-color: @navbar-inverse-link-hover-bg;
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}
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}
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> .active > a {
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&,
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&:hover,
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&:focus {
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color: @navbar-inverse-link-active-color;
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background-color: @navbar-inverse-link-active-bg;
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}
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}
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> .disabled > a {
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&,
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&:hover,
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&:focus {
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color: @navbar-inverse-link-disabled-color;
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background-color: @navbar-inverse-link-disabled-bg;
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}
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}
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}
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}
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}
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}
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// Responsive navbar
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// --------------------------------------------------
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@media screen and (min-width: @grid-float-breakpoint) {
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.navbar-nav {
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float: left;
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// undo margin to make nav extend full height of navbar
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margin-top: 0;
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margin-bottom: 0;
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> li {
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float: left;
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> a {
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padding-top: ((@navbar-height - @line-height-computed) / 2);
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padding-bottom: ((@navbar-height - @line-height-computed) / 2);
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}
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}
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}
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// Required to make the collapsing navbar work on regular desktops
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.navbar-toggle {
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position: relative;
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top: auto;
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left: auto;
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display: none;
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}
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.navbar-collapse.collapse {
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display: block !important;
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height: auto !important;
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padding-bottom: 0; // Override default setting
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overflow: visible !important;
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}
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}
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// Buttons in navbars
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//
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// Vertically center a button within a navbar (when *not* in a form).
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.navbar-btn {
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margin-top: ((@navbar-height - @input-height-base) / 2);
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}
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// Text in navbars
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//
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// Add a class to make any element properly align itself vertically within the navbars.
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.navbar-text {
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float: left;
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.navbar-vertical-align(@line-height-computed);
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}
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// Links in navbars
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//
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// Add a class to ensure links outside the navbar nav are colored correctly.
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// Default navbar variables
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.navbar-link {
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color: @navbar-link-color;
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&:hover {
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color: @navbar-link-hover-color;
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}
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}
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// Use the inverse navbar variables
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.navbar-inverse .navbar-link {
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color: @navbar-inverse-link-color;
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&:hover {
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color: @navbar-inverse-link-hover-color;
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}
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}
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