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diff --git a/themes/docsy/assets/vendor/bootstrap/scss/_input-group.scss b/themes/docsy/assets/vendor/bootstrap/scss/_input-group.scss
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+// stylelint-disable selector-no-qualifying-type
+
+//
+// Base styles
+//
+
+.input-group {
+ position: relative;
+ display: flex;
+ flex-wrap: wrap; // For form validation feedback
+ align-items: stretch;
+ width: 100%;
+
+ > .form-control,
+ > .custom-select,
+ > .custom-file {
+ position: relative; // For focus state's z-index
+ flex: 1 1 auto;
+ // Add width 1% and flex-basis auto to ensure that button will not wrap out
+ // the column. Applies to IE Edge+ and Firefox. Chrome does not require this.
+ width: 1%;
+ margin-bottom: 0;
+
+ + .form-control,
+ + .custom-select,
+ + .custom-file {
+ margin-left: -$input-border-width;
+ }
+ }
+
+ // Bring the "active" form control to the top of surrounding elements
+ > .form-control:focus,
+ > .custom-select:focus,
+ > .custom-file .custom-file-input:focus ~ .custom-file-label {
+ z-index: 3;
+ }
+
+ // Bring the custom file input above the label
+ > .custom-file .custom-file-input:focus {
+ z-index: 4;
+ }
+
+ > .form-control,
+ > .custom-select {
+ &:not(:last-child) { @include border-right-radius(0); }
+ &:not(:first-child) { @include border-left-radius(0); }
+ }
+
+ // Custom file inputs have more complex markup, thus requiring different
+ // border-radius overrides.
+ > .custom-file {
+ display: flex;
+ align-items: center;
+
+ &:not(:last-child) .custom-file-label,
+ &:not(:last-child) .custom-file-label::after { @include border-right-radius(0); }
+ &:not(:first-child) .custom-file-label { @include border-left-radius(0); }
+ }
+}
+
+
+// Prepend and append
+//
+// While it requires one extra layer of HTML for each, dedicated prepend and
+// append elements allow us to 1) be less clever, 2) simplify our selectors, and
+// 3) support HTML5 form validation.
+
+.input-group-prepend,
+.input-group-append {
+ display: flex;
+
+ // Ensure buttons are always above inputs for more visually pleasing borders.
+ // This isn't needed for `.input-group-text` since it shares the same border-color
+ // as our inputs.
+ .btn {
+ position: relative;
+ z-index: 2;
+ }
+
+ .btn + .btn,
+ .btn + .input-group-text,
+ .input-group-text + .input-group-text,
+ .input-group-text + .btn {
+ margin-left: -$input-border-width;
+ }
+}
+
+.input-group-prepend { margin-right: -$input-border-width; }
+.input-group-append { margin-left: -$input-border-width; }
+
+
+// Textual addons
+//
+// Serves as a catch-all element for any text or radio/checkbox input you wish
+// to prepend or append to an input.
+
+.input-group-text {
+ display: flex;
+ align-items: center;
+ padding: $input-padding-y $input-padding-x;
+ margin-bottom: 0; // Allow use of <label> elements by overriding our default margin-bottom
+ font-size: $font-size-base; // Match inputs
+ font-weight: $font-weight-normal;
+ line-height: $input-line-height;
+ color: $input-group-addon-color;
+ text-align: center;
+ white-space: nowrap;
+ background-color: $input-group-addon-bg;
+ border: $input-border-width solid $input-group-addon-border-color;
+ @include border-radius($input-border-radius);
+
+ // Nuke default margins from checkboxes and radios to vertically center within.
+ input[type="radio"],
+ input[type="checkbox"] {
+ margin-top: 0;
+ }
+}
+
+
+// Sizing
+//
+// Remix the default form control sizing classes into new ones for easier
+// manipulation.
+
+.input-group-lg > .form-control,
+.input-group-lg > .input-group-prepend > .input-group-text,
+.input-group-lg > .input-group-append > .input-group-text,
+.input-group-lg > .input-group-prepend > .btn,
+.input-group-lg > .input-group-append > .btn {
+ height: $input-height-lg;
+ padding: $input-padding-y-lg $input-padding-x-lg;
+ font-size: $font-size-lg;
+ line-height: $input-line-height-lg;
+ @include border-radius($input-border-radius-lg);
+}
+
+.input-group-sm > .form-control,
+.input-group-sm > .input-group-prepend > .input-group-text,
+.input-group-sm > .input-group-append > .input-group-text,
+.input-group-sm > .input-group-prepend > .btn,
+.input-group-sm > .input-group-append > .btn {
+ height: $input-height-sm;
+ padding: $input-padding-y-sm $input-padding-x-sm;
+ font-size: $font-size-sm;
+ line-height: $input-line-height-sm;
+ @include border-radius($input-border-radius-sm);
+}
+
+
+// Prepend and append rounded corners
+//
+// These rulesets must come after the sizing ones to properly override sm and lg
+// border-radius values when extending. They're more specific than we'd like
+// with the `.input-group >` part, but without it, we cannot override the sizing.
+
+
+.input-group > .input-group-prepend > .btn,
+.input-group > .input-group-prepend > .input-group-text,
+.input-group > .input-group-append:not(:last-child) > .btn,
+.input-group > .input-group-append:not(:last-child) > .input-group-text,
+.input-group > .input-group-append:last-child > .btn:not(:last-child):not(.dropdown-toggle),
+.input-group > .input-group-append:last-child > .input-group-text:not(:last-child) {
+ @include border-right-radius(0);
+}
+
+.input-group > .input-group-append > .btn,
+.input-group > .input-group-append > .input-group-text,
+.input-group > .input-group-prepend:not(:first-child) > .btn,
+.input-group > .input-group-prepend:not(:first-child) > .input-group-text,
+.input-group > .input-group-prepend:first-child > .btn:not(:first-child),
+.input-group > .input-group-prepend:first-child > .input-group-text:not(:first-child) {
+ @include border-left-radius(0);
+}