// scss-lint:disable QualifyingElement
// // Textual form controls //
.form-control {
display: block; width: 100%; // // Make inputs at least the height of their button counterpart (base line-height + padding + border) // height: $input-height; padding: $input-padding-y $input-padding-x; font-size: $font-size-base; line-height: $input-line-height; color: $input-color; background-color: $input-bg; // Reset unusual Firefox-on-Android default style; see https://github.com/necolas/normalize.css/issues/214. background-image: none; background-clip: padding-box; border: $input-btn-border-width solid $input-border-color; // Note: This has no effect on <select>s in some browsers, due to the limited stylability of `<select>`s in CSS. @if $enable-rounded { // Manually use the if/else instead of the mixin to account for iOS override border-radius: $input-border-radius; } @else { // Otherwise undo the iOS default border-radius: 0; } @include box-shadow($input-box-shadow); @include transition($input-transition); // Unstyle the caret on `<select>`s in IE10+. &::-ms-expand { background-color: transparent; border: 0; } // Customize the `:focus` state to imitate native WebKit styles. @include form-control-focus(); // Placeholder &::placeholder { color: $input-color-placeholder; // Override Firefox's unusual default opacity; see https://github.com/twbs/bootstrap/pull/11526. opacity: 1; } // Disabled and read-only inputs // // HTML5 says that controls under a fieldset > legend:first-child won't be // disabled if the fieldset is disabled. Due to implementation difficulty, we // don't honor that edge case; we style them as disabled anyway. &:disabled, &[readonly] { background-color: $input-bg-disabled; // iOS fix for unreadable disabled content; see https://github.com/twbs/bootstrap/issues/11655. opacity: 1; } &:disabled { cursor: $cursor-disabled; }
}
select.form-control {
&:not([size]):not([multiple]) { $select-border-width: ($border-width * 2); height: calc(#{$input-height} + #{$select-border-width}); } &:focus::-ms-value { // Suppress the nested default white text on blue background highlight given to // the selected option text when the (still closed) <select> receives focus // in IE and (under certain conditions) Edge, as it looks bad and cannot be made to // match the appearance of the native widget. // See https://github.com/twbs/bootstrap/issues/19398. color: $input-color; background-color: $input-bg; }
}
// Make file inputs better match text inputs by forcing them to new lines. .form-control-file, .form-control-range {
display: block;
}
// // Labels //
// For use with horizontal and inline forms, when you need the label text to // align with the form controls. .col-form-label {
padding-top: calc(#{$input-padding-y} - #{$input-btn-border-width} * 2); padding-bottom: calc(#{$input-padding-y} - #{$input-btn-border-width} * 2); margin-bottom: 0; // Override the `<label>` default
}
.col-form-label-lg {
padding-top: calc(#{$input-padding-y-lg} - #{$input-btn-border-width} * 2); padding-bottom: calc(#{$input-padding-y-lg} - #{$input-btn-border-width} * 2); font-size: $font-size-lg;
}
.col-form-label-sm {
padding-top: calc(#{$input-padding-y-sm} - #{$input-btn-border-width} * 2); padding-bottom: calc(#{$input-padding-y-sm} - #{$input-btn-border-width} * 2); font-size: $font-size-sm;
}
// // Legends //
// For use with horizontal and inline forms, when you need the legend text to // be the same size as regular labels, and to align with the form controls. .col-form-legend {
padding-top: $input-padding-y; padding-bottom: $input-padding-y; margin-bottom: 0; font-size: $font-size-base;
}
// Static form control text // // Apply class to an element to make any string of text align with labels in a // horizontal form layout.
.form-control-static {
padding-top: $input-padding-y; padding-bottom: $input-padding-y; margin-bottom: 0; // match inputs if this class comes on inputs with default margins line-height: $input-line-height; border: solid transparent; border-width: $input-btn-border-width 0; &.form-control-sm, &.form-control-lg { padding-right: 0; padding-left: 0; }
}
// Form control sizing // // Build on `.form-control` with modifier classes to decrease or increase the // height and font-size of form controls. // // The `.form-group-* form-control` variations are sadly duplicated to avoid the // issue documented in github.com/twbs/bootstrap/issues/15074.
.form-control-sm {
padding: $input-padding-y-sm $input-padding-x-sm; font-size: $font-size-sm; @include border-radius($input-border-radius-sm);
}
select.form-control-sm {
&:not([size]):not([multiple]) { height: $input-height-sm; }
}
.form-control-lg {
padding: $input-padding-y-lg $input-padding-x-lg; font-size: $font-size-lg; @include border-radius($input-border-radius-lg);
}
select.form-control-lg {
&:not([size]):not([multiple]) { height: $input-height-lg; }
}
// Form groups // // Designed to help with the organization and spacing of vertical forms. For // horizontal forms, use the predefined grid classes.
.form-group {
margin-bottom: $form-group-margin-bottom;
}
.form-text {
display: block; margin-top: $form-text-margin-top;
}
// Checkboxes and radios // // Indent the labels to position radios/checkboxes as hanging controls.
.form-check {
position: relative; display: block; margin-bottom: $form-check-margin-bottom; &.disabled { .form-check-label { color: $text-muted; cursor: $cursor-disabled; } }
}
.form-check-label {
padding-left: $form-check-input-gutter; margin-bottom: 0; // Override default `<label>` bottom margin cursor: pointer;
}
.form-check-input {
position: absolute; margin-top: $form-check-input-margin-y; margin-left: -$form-check-input-gutter; &:only-child { position: static; }
}
// Radios and checkboxes on same line .form-check-inline {
display: inline-block; .form-check-label { vertical-align: middle; } + .form-check-inline { margin-left: $form-check-inline-margin-x; }
}
// Form control feedback states // // Apply contextual and semantic states to individual form controls.
.form-control-feedback {
margin-top: $form-feedback-margin-top;
}
.form-control-success, .form-control-warning, .form-control-danger {
padding-right: ($input-padding-x * 3); background-repeat: no-repeat; background-position: center right ($input-height / 4); background-size: ($input-height / 2) ($input-height / 2);
}
// Form validation states .has-success {
@include form-control-validation($brand-success); .form-control-success { background-image: $form-icon-success; }
}
.has-warning {
@include form-control-validation($brand-warning); .form-control-warning { background-image: $form-icon-warning; }
}
.has-danger {
@include form-control-validation($brand-danger); .form-control-danger { background-image: $form-icon-danger; }
}
// Inline forms // // Make forms appear inline(-block) by adding the `.form-inline` class. Inline // forms begin stacked on extra small (mobile) devices and then go inline when // viewports reach <768px. // // Requires wrapping inputs and labels with `.form-group` for proper display of // default HTML form controls and our custom form controls (e.g., input groups).
.form-inline {
display: flex; flex-flow: row wrap; align-items: center; // Prevent shorter elements from growing to same height as others (e.g., small buttons growing to normal sized button height) // Because we use flex, the initial sizing of checkboxes is collapsed and // doesn't occupy the full-width (which is what we want for xs grid tier), // so we force that here. .form-check { width: 100%; } // Kick in the inline @include media-breakpoint-up(sm) { label { display: flex; align-items: center; justify-content: center; margin-bottom: 0; } // Inline-block all the things for "inline" .form-group { display: flex; flex: 0 0 auto; flex-flow: row wrap; align-items: center; margin-bottom: 0; } // Allow folks to *not* use `.form-group` .form-control { display: inline-block; width: auto; // Prevent labels from stacking above inputs in `.form-group` vertical-align: middle; } // Make static controls behave like regular ones .form-control-static { display: inline-block; } .input-group { width: auto; } .form-control-label { margin-bottom: 0; vertical-align: middle; } // Remove default margin on radios/checkboxes that were used for stacking, and // then undo the floating of radios and checkboxes to match. .form-check { display: flex; align-items: center; justify-content: center; width: auto; margin-top: 0; margin-bottom: 0; } .form-check-label { padding-left: 0; } .form-check-input { position: relative; margin-top: 0; margin-right: $form-check-input-margin-x; margin-left: 0; } // Custom form controls .custom-control { display: flex; align-items: center; justify-content: center; padding-left: 0; } .custom-control-indicator { position: static; display: inline-block; margin-right: $form-check-input-margin-x; // Flexbox alignment means we lose our HTML space here, so we compensate. vertical-align: text-bottom; } // Re-override the feedback icon. .has-feedback .form-control-feedback { top: 0; } }
}