464 lines
13 KiB
Plaintext
464 lines
13 KiB
Plaintext
// Contents
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//
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// Navbar
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// Navbar brand
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// Navbar nav
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// Navbar text
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// Navbar divider
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// Responsive navbar
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// Navbar position
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// Navbar themes
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// Navbar
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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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// LESS PORT: Because of the way `:extend()` works in Less (and the workaround we’re using to
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// emulate Sass’ placeholder selectors) we need to include the selectors that extend the
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// placeholders at the root. Then `&:extend(<placeholder> all)` will attach the selectors to every
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// instance of the placeholder.
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.container,
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.container-fluid {
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&:extend(\%container-flex-properties all);
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}
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.navbar {
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position: relative;
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display: flex;
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flex-wrap: wrap; // allow us to do the line break for collapsing content
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align-items: center;
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justify-content: space-between; // space out brand from logo
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padding: @navbar-padding-y @navbar-padding-x;
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// Because flex properties aren't inherited, we need to redeclare these first
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// few properties so that content nested within behave properly.
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// LESS PORT: Unfortunately we have to use an actual selector here in order to be able to
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// `:extend()` it later. This means that the selector is output in the compiled CSS, creating a
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// small disparity between the Less and Sass versions.
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// LESS PORT: The `-@{breakpoint}` suffix is omitted from the selector here since it’s not needed
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// with the `:extend()` workaround we’re using.
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\%container-flex-properties {
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display: flex;
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flex-wrap: wrap;
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align-items: center;
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justify-content: space-between;
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}
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// LESS PORT: Because of the way `:extend()` works in Less (and the workaround we’re using to
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// emulate Sass’ placeholder selectors) we include this selector at the root, instead. (We also
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// omit the `-@{breakpoint}` suffix since it’s not needed.)
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// .container,
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// .container-fluid {
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// &:extend(\%container-flex-properties);
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// }
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// LESS PORT: Since we `&:extend(.container-fluid all)` in `_grid.less` we don’t need to output
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// the container-max-width selectors here. Using the `all` means the container-max-width
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// selectors will already be attached to all instances of `.container-fluid`.
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// each(@container-max-widths, #(@container-max-width, @breakpoint) {
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// // LESS PORT: A variable is required here to do the selector interpolation, since an
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// // expression cannot be interpolated like in the Sass version.
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// @infix: breakpoint-infix(@breakpoint, @container-max-widths);
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// // LESS PORT: The Sass version actually uses `> .container` here but that doesn’t seem to
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// // match the output CSS, so we‘re omitting it.
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// .container@{infix} {
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// &:extend(.navbar \%container-flex-properties);
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// }
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// });
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}
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// Navbar brand
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//
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// Used for brand, project, or site names.
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.navbar-brand {
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display: inline-block;
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padding-top: @navbar-brand-padding-y;
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padding-bottom: @navbar-brand-padding-y;
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margin-right: @navbar-padding-x;
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#font-size(@navbar-brand-font-size);
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line-height: inherit;
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white-space: nowrap;
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#hover-focus({
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text-decoration: none;
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});
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}
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// Navbar nav
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//
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// Custom navbar navigation (doesn't require `.nav`, but does make use of `.nav-link`).
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.navbar-nav {
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display: flex;
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flex-direction: column; // cannot use `inherit` to get the `.navbar`s value
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padding-left: 0;
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margin-bottom: 0;
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list-style: none;
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.nav-link {
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padding-right: 0;
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padding-left: 0;
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}
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.dropdown-menu {
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position: static;
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float: none;
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}
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}
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// Navbar text
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//
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//
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.navbar-text {
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display: inline-block;
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padding-top: @nav-link-padding-y;
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padding-bottom: @nav-link-padding-y;
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}
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// Responsive navbar
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//
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// Custom styles for responsive collapsing and toggling of navbar contents.
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// Powered by the collapse Bootstrap JavaScript plugin.
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// When collapsed, prevent the toggleable navbar contents from appearing in
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// the default flexbox row orientation. Requires the use of `flex-wrap: wrap`
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// on the `.navbar` parent.
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.navbar-collapse {
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flex-basis: 100%;
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flex-grow: 1;
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// For always expanded or extra full navbars, ensure content aligns itself
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// properly vertically. Can be easily overridden with flex utilities.
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align-items: center;
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}
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// Button for toggling the navbar when in its collapsed state
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.navbar-toggler {
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padding: @navbar-toggler-padding-y @navbar-toggler-padding-x;
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#font-size(@navbar-toggler-font-size);
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line-height: 1;
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background-color: transparent; // remove default button style
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border: @border-width solid transparent; // remove default button style
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#border-radius(@navbar-toggler-border-radius);
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#hover-focus({
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text-decoration: none;
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});
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}
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// Keep as a separate element so folks can easily override it with another icon
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// or image file as needed.
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.navbar-toggler-icon {
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display: inline-block;
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width: 1.5em;
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height: 1.5em;
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vertical-align: middle;
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content: "";
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background: no-repeat center center;
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background-size: 100% 100%;
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}
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// Generate series of `.navbar-expand-*` responsive classes for configuring
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// where your navbar collapses.
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//.navbar-expand {
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// @each $breakpoint in map-keys($grid-breakpoints) {
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// $next: breakpoint-next($breakpoint, $grid-breakpoints);
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// $infix: breakpoint-infix($next, $grid-breakpoints);
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//
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// &#{$infix} {
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// @include media-breakpoint-down($breakpoint) {
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// %container-navbar-expand-#{$breakpoint} {
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// padding-right: 0;
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// padding-left: 0;
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// }
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//
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// > .container,
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// > .container-fluid {
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// @extend %container-navbar-expand-#{$breakpoint};
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// }
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//
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// @each $size, $container-max-width in $container-max-widths {
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// > .container#{breakpoint-infix($size, $container-max-widths)} {
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// @extend %container-navbar-expand-#{$breakpoint};
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// }
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// }
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// }
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//
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// @include media-breakpoint-up($next) {
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// flex-flow: row nowrap;
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// justify-content: flex-start;
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//
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// .navbar-nav {
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// flex-direction: row;
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//
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// .dropdown-menu {
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// position: absolute;
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// }
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//
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// .nav-link {
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// padding-right: $navbar-nav-link-padding-x;
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// padding-left: $navbar-nav-link-padding-x;
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// }
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// }
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//
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// // For nesting containers, have to redeclare for alignment purposes
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// %container-nesting-#{$breakpoint} {
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// flex-wrap: nowrap;
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// }
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//
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// > .container,
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// > .container-fluid {
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// @extend %container-nesting-#{$breakpoint};
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// }
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//
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// @each $size, $container-max-width in $container-max-widths {
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// > .container#{breakpoint-infix($size, $container-max-widths)} {
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// @extend %container-nesting-#{$breakpoint};
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// }
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// }
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//
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// .navbar-collapse {
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// display: flex !important; // stylelint-disable-line declaration-no-important
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//
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// // Changes flex-bases to auto because of an IE10 bug
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// flex-basis: auto;
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// }
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//
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// .navbar-toggler {
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// display: none;
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// }
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// }
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// }
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// }
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//}
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// LESS PORT: Because of the way `:extend()` works in Less (and the workaround we’re using to
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// emulate Sass’ placeholder selectors) we need to include the selectors that extend the
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// placeholders at the root. Then `&:extend(<placeholder> all)` will attach the selectors to every
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// instance of the placeholder.
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> .container,
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> .container-fluid {
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&:extend(\%container-navbar-expand all);
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&:extend(\%container-nesting all);
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}
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each(map-keys(@grid-breakpoints), #(@breakpoint) {
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.navbar-expand {
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@next: breakpoint-next(@breakpoint, @grid-breakpoints);
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@infix: breakpoint-infix(@next, @grid-breakpoints);
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&@{infix} {
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#media-breakpoint-down(@breakpoint, {
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// LESS PORT: Unfortunately we have to use an actual selector here in order to be able
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// to `:extend()` it later. This means that the selector is output in the compiled CSS,
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// creating a small disparity between the Less and Sass versions.
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// LESS PORT: The `-@{breakpoint}` suffix is omitted from the selector here since it’s
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// not needed with the `:extend()` workaround we’re using.
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> \%container-navbar-expand {
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padding-right: 0;
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padding-left: 0;
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}
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// LESS PORT: Because of the way `:extend()` works in Less (and the workaround we’re
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// using to emulate Sass’ placeholder selectors) we include this selector at the root,
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// instead. (We also omit the `-@{breakpoint}` suffix since it’s not needed.)
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// > .container,
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// > .container-fluid {
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// &:extend(\%container-navbar-expand-@{breakpoint});
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// }
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// LESS PORT: Since we `&:extend(.container-fluid all)` in `_grid.less` we don’t need to
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// output the container-max-width selectors here. Using the `all` means the
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// container-max-width selectors will already be attached to all instances of
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// `.container-fluid`.
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// each(@container-max-widths, #(@container-max-width, @size) {
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// // LESS PORT: A variable is required here to do the selector interpolation, since an
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// // expression cannot be interpolated like in the Sass version.
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// @infix: breakpoint-infix(@size, @container-max-widths);
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// > .container@{infix} {
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// &:extend(\%container-navbar-expand-@{breakpoint});
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// }
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// });
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});
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#media-breakpoint-up(@next, {
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flex-flow: row nowrap;
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justify-content: flex-start;
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.navbar-nav {
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flex-direction: row;
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.dropdown-menu {
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position: absolute;
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}
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.nav-link {
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padding-right: @navbar-nav-link-padding-x;
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padding-left: @navbar-nav-link-padding-x;
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}
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}
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// For nesting containers, have to redeclare for alignment purposes
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// LESS PORT: Unfortunately we have to use an actual selector here in order to be able
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// to `:extend()` it later. This means that the selector is output in the compiled CSS,
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// creating a small disparity between the Less and Sass versions.
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// LESS PORT: The `-@{breakpoint}` suffix is omitted from the selector here since it’s
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// not needed with the `:extend()` workaround we’re using. We also have to prefix with
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// a `>` so that the immediate decendant selector will be included when we `:extend()`.
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> \%container-nesting {
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flex-wrap: nowrap;
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}
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// LESS PORT: The `-@{breakpoint}` suffix is omitted from the since the
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// \%container-nesting-@{breakpoint} {
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// flex-wrap: nowrap;
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// }
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// LESS PORT: Because of the way `:extend()` works in Less (and the workaround we’re
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// using to emulate Sass’ placeholder selectors) we include this selector at the root,
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// instead. (We also omit the `-@{breakpoint}` suffix since it’s not needed.)
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// > .container,
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// > .container-fluid {
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// &:extend(\%container-nesting-@{breakpoint});
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// }
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// LESS PORT: Since we `&:extend(.container-fluid all)` in `_grid.less` we don’t need to
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// output the container-max-width selectors here. Using the `all` means the
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// container-max-width selectors will already be attached to all instances of
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// `.container-fluid`.
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// each(@container-max-widths, #(@container-max-width, @size) {
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// // LESS PORT: A variable is required here to do the selector interpolation, since an
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// // expression cannot be interpolated like in the Sass version.
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// @infix: breakpoint-infix(@size, @container-max-widths);
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// > .container@{infix} {
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// &:extend(\%container-nesting-@{breakpoint});
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// }
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// });
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.navbar-collapse {
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display: flex !important;
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// Changes flex-bases to auto because of an IE10 bug
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flex-basis: auto;
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}
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.navbar-toggler {
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display: none;
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}
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});
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}
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}
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});
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// Navbar themes
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//
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// Styles for switching between navbars with light or dark background.
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// Dark links against a light background
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.navbar-light {
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.navbar-brand {
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color: @navbar-light-brand-color;
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#hover-focus({
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color: @navbar-light-brand-hover-color;
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});
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}
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.navbar-nav {
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.nav-link {
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color: @navbar-light-color;
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#hover-focus({
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color: @navbar-light-hover-color;
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});
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&.disabled {
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color: @navbar-light-disabled-color;
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}
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}
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.show > .nav-link,
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.active > .nav-link,
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.nav-link.show,
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.nav-link.active {
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color: @navbar-light-active-color;
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}
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}
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.navbar-toggler {
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color: @navbar-light-color;
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border-color: @navbar-light-toggler-border-color;
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}
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.navbar-toggler-icon {
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background-image: escape-svg(@navbar-light-toggler-icon-bg);
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}
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.navbar-text {
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color: @navbar-light-color;
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a {
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color: @navbar-light-active-color;
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#hover-focus({
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color: @navbar-light-active-color;
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});
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}
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}
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}
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// White links against a dark background
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.navbar-dark {
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.navbar-brand {
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color: @navbar-dark-brand-color;
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#hover-focus({
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color: @navbar-dark-brand-hover-color;
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});
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}
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.navbar-nav {
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.nav-link {
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color: @navbar-dark-color;
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#hover-focus({
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color: @navbar-dark-hover-color;
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});
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&.disabled {
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color: @navbar-dark-disabled-color;
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}
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}
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.show > .nav-link,
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.active > .nav-link,
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.nav-link.show,
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.nav-link.active {
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color: @navbar-dark-active-color;
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}
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}
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.navbar-toggler {
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color: @navbar-dark-color;
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border-color: @navbar-dark-toggler-border-color;
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}
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.navbar-toggler-icon {
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background-image: escape-svg(@navbar-dark-toggler-icon-bg);
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}
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.navbar-text {
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color: @navbar-dark-color;
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a {
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color: @navbar-dark-active-color;
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#hover-focus({
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color: @navbar-dark-active-color;
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});
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}
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}
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}
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