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//
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// Button groups
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// --------------------------------------------------
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// Make the div behave like a button
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.btn-group,
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.btn-group-vertical {
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position: relative;
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display: inline-block;
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vertical-align: middle; // match .btn alignment given font-size hack above
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> .btn {
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position: relative;
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float: left;
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// Bring the "active" button to the front
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&:hover,
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&:focus,
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&:active,
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&.active {
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z-index: 2;
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}
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&:focus {
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// Remove focus outline when dropdown JS adds it after closing the menu
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outline: 0;
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}
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}
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}
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// Prevent double borders when buttons are next to each other
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.btn-group {
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.btn + .btn,
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.btn + .btn-group,
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.btn-group + .btn,
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.btn-group + .btn-group {
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margin-left: -1px;
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}
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}
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// Optional: Group multiple button groups together for a toolbar
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.btn-toolbar {
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margin-left: -5px; // Offset the first child's margin
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&:extend(.clearfix all);
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.btn-group,
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.input-group {
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float: left;
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}
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> .btn,
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> .btn-group,
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> .input-group {
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margin-left: 5px;
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}
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}
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.btn-group > .btn:not(:first-child):not(:last-child):not(.dropdown-toggle) {
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border-radius: 0;
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}
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// Set corners individual because sometimes a single button can be in a .btn-group and we need :first-child and :last-child to both match
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.btn-group > .btn:first-child {
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margin-left: 0;
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&:not(:last-child):not(.dropdown-toggle) {
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.border-right-radius(0);
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}
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}
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// Need .dropdown-toggle since :last-child doesn't apply given a .dropdown-menu immediately after it
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.btn-group > .btn:last-child:not(:first-child),
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.btn-group > .dropdown-toggle:not(:first-child) {
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.border-left-radius(0);
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}
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// Custom edits for including btn-groups within btn-groups (useful for including dropdown buttons within a btn-group)
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.btn-group > .btn-group {
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float: left;
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}
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.btn-group > .btn-group:not(:first-child):not(:last-child) > .btn {
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border-radius: 0;
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}
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.btn-group > .btn-group:first-child {
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> .btn:last-child,
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> .dropdown-toggle {
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.border-right-radius(0);
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}
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}
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.btn-group > .btn-group:last-child > .btn:first-child {
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.border-left-radius(0);
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}
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// On active and open, don't show outline
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.btn-group .dropdown-toggle:active,
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.btn-group.open .dropdown-toggle {
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outline: 0;
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}
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// Sizing
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//
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// Remix the default button sizing classes into new ones for easier manipulation.
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.btn-group-xs > .btn { &:extend(.btn-xs); }
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.btn-group-sm > .btn { &:extend(.btn-sm); }
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.btn-group-lg > .btn { &:extend(.btn-lg); }
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// Split button dropdowns
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// ----------------------
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// Give the line between buttons some depth
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.btn-group > .btn + .dropdown-toggle {
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padding-left: 8px;
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padding-right: 8px;
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}
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.btn-group > .btn-lg + .dropdown-toggle {
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padding-left: 12px;
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padding-right: 12px;
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}
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// The clickable button for toggling the menu
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// Remove the gradient and set the same inset shadow as the :active state
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.btn-group.open .dropdown-toggle {
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.box-shadow(inset 0 3px 5px rgba(0,0,0,.125));
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// Show no shadow for `.btn-link` since it has no other button styles.
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&.btn-link {
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.box-shadow(none);
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}
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}
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// Reposition the caret
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.btn .caret {
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margin-left: 0;
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}
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// Carets in other button sizes
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.btn-lg .caret {
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border-width: @caret-width-large @caret-width-large 0;
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border-bottom-width: 0;
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}
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// Upside down carets for .dropup
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.dropup .btn-lg .caret {
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border-width: 0 @caret-width-large @caret-width-large;
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}
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// Vertical button groups
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// ----------------------
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.btn-group-vertical {
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> .btn,
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> .btn-group,
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> .btn-group > .btn {
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display: block;
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float: none;
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width: 100%;
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max-width: 100%;
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}
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// Clear floats so dropdown menus can be properly placed
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> .btn-group {
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&:extend(.clearfix all);
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> .btn {
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float: none;
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}
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}
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> .btn + .btn,
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> .btn + .btn-group,
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> .btn-group + .btn,
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> .btn-group + .btn-group {
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margin-top: -1px;
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margin-left: 0;
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}
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}
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.btn-group-vertical > .btn {
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&:not(:first-child):not(:last-child) {
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border-radius: 0;
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}
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&:first-child:not(:last-child) {
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border-top-right-radius: @border-radius-base;
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.border-bottom-radius(0);
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}
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&:last-child:not(:first-child) {
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border-bottom-left-radius: @border-radius-base;
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.border-top-radius(0);
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}
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}
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.btn-group-vertical > .btn-group:not(:first-child):not(:last-child) > .btn {
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border-radius: 0;
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}
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.btn-group-vertical > .btn-group:first-child:not(:last-child) {
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> .btn:last-child,
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> .dropdown-toggle {
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.border-bottom-radius(0);
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}
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}
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.btn-group-vertical > .btn-group:last-child:not(:first-child) > .btn:first-child {
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.border-top-radius(0);
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}
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// Justified button groups
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// ----------------------
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.btn-group-justified {
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display: table;
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width: 100%;
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table-layout: fixed;
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border-collapse: separate;
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> .btn,
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> .btn-group {
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float: none;
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display: table-cell;
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width: 1%;
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}
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> .btn-group .btn {
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width: 100%;
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}
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> .btn-group .dropdown-menu {
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left: auto;
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}
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}
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// Checkbox and radio options
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//
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// In order to support the browser's form validation feedback, powered by the
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// `required` attribute, we have to "hide" the inputs via `opacity`. We cannot
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// use `display: none;` or `visibility: hidden;` as that also hides the popover.
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// This way, we ensure a DOM element is visible to position the popover from.
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//
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// See https://github.com/twbs/bootstrap/pull/12794 for more.
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[data-toggle="buttons"] > .btn > input[type="radio"],
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[data-toggle="buttons"] > .btn > input[type="checkbox"] {
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position: absolute;
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z-index: -1;
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.opacity(0);
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}
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