3 // --------------------------------------------------
6 // Normalize non-controls
8 // Restyle and baseline non-control form elements.
14 // Chrome and Firefox set a `min-width: min-content;` on fieldsets,
15 // so we reset that to ensure it behaves more like a standard block element.
16 // See https://github.com/twbs/bootstrap/issues/12359.
24 margin-bottom: $line-height-computed;
25 font-size: ($font-size-base * 1.5);
29 border-bottom: 1px solid $legend-border-color;
33 display: inline-block;
34 max-width: 100%; // Force IE8 to wrap long content (see https://github.com/twbs/bootstrap/issues/13141)
40 // Normalize form controls
42 // While most of our form styles require extra classes, some basic normalization
43 // is required to ensure optimum display with or without those classes to better
44 // address browser inconsistencies.
46 // Override content-box in Normalize (* isn't specific enough)
47 input[type="search"] {
48 @include box-sizing(border-box);
51 // Position radios and checkboxes better
53 input[type="checkbox"] {
55 margin-top: 1px \9; // IE8-9
63 // Make range inputs behave like textual form controls
69 // Make multiple select elements height not fixed
75 // Focus for file, radio, and checkbox
76 input[type="file"]:focus,
77 input[type="radio"]:focus,
78 input[type="checkbox"]:focus {
82 // Adjust output element
85 padding-top: ($padding-base-vertical + 1);
86 font-size: $font-size-base;
87 line-height: $line-height-base;
92 // Common form controls
94 // Shared size and type resets for form controls. Apply `.form-control` to any
95 // of the following form controls:
100 // input[type="password"]
101 // input[type="datetime"]
102 // input[type="datetime-local"]
103 // input[type="date"]
104 // input[type="month"]
105 // input[type="time"]
106 // input[type="week"]
107 // input[type="number"]
108 // input[type="email"]
110 // input[type="search"]
112 // input[type="color"]
117 height: $input-height-base; // Make inputs at least the height of their button counterpart (base line-height + padding + border)
118 padding: $padding-base-vertical $padding-base-horizontal;
119 font-size: $font-size-base;
120 line-height: $line-height-base;
122 background-color: $input-bg;
123 background-image: none; // Reset unusual Firefox-on-Android default style; see https://github.com/necolas/normalize.css/issues/214
124 border: 1px solid $input-border;
125 border-radius: $input-border-radius; // Note: This has no effect on <select>s in some browsers, due to the limited stylability of <select>s in CSS.
126 @include box-shadow(inset 0 1px 1px rgba(0,0,0,.075));
127 @include transition(border-color ease-in-out .15s, box-shadow ease-in-out .15s);
129 // Customize the `:focus` state to imitate native WebKit styles.
130 @include form-control-focus;
133 @include placeholder;
135 // Unstyle the caret on `<select>`s in IE10+.
138 background-color: transparent;
141 // Disabled and read-only inputs
143 // HTML5 says that controls under a fieldset > legend:first-child won't be
144 // disabled if the fieldset is disabled. Due to implementation difficulty, we
145 // don't honor that edge case; we style them as disabled anyway.
148 fieldset[disabled] & {
149 background-color: $input-bg-disabled;
150 opacity: 1; // iOS fix for unreadable disabled content; see https://github.com/twbs/bootstrap/issues/11655
154 fieldset[disabled] & {
155 cursor: $cursor-disabled;
158 // [converter] extracted textarea& to textarea.form-control
161 // Reset height for `textarea`s
162 textarea.form-control {
167 // Search inputs in iOS
169 // This overrides the extra rounded corners on search inputs in iOS so that our
170 // `.form-control` class can properly style them. Note that this cannot simply
171 // be added to `.form-control` as it's not specific enough. For details, see
172 // https://github.com/twbs/bootstrap/issues/11586.
174 input[type="search"] {
175 -webkit-appearance: none;
179 // Special styles for iOS temporal inputs
181 // In Mobile Safari, setting `display: block` on temporal inputs causes the
182 // text within the input to become vertically misaligned. As a workaround, we
183 // set a pixel line-height that matches the given height of the input, but only
184 // for Safari. See https://bugs.webkit.org/show_bug.cgi?id=139848
186 // Note that as of 9.3, iOS doesn't support `week`.
188 @media screen and (-webkit-min-device-pixel-ratio: 0) {
191 input[type="datetime-local"],
192 input[type="month"] {
194 line-height: $input-height-base;
199 line-height: $input-height-small;
204 line-height: $input-height-large;
212 // Designed to help with the organization and spacing of vertical forms. For
213 // horizontal forms, use the predefined grid classes.
216 margin-bottom: $form-group-margin-bottom;
220 // Checkboxes and radios
222 // Indent the labels to position radios/checkboxes as hanging controls.
232 min-height: $line-height-computed; // Ensure the input doesn't jump when there is no text
239 .radio input[type="radio"],
240 .radio-inline input[type="radio"],
241 .checkbox input[type="checkbox"],
242 .checkbox-inline input[type="checkbox"] {
249 .checkbox + .checkbox {
250 margin-top: -5px; // Move up sibling radios or checkboxes for tighter spacing
253 // Radios and checkboxes on same line
257 display: inline-block;
260 vertical-align: middle;
264 .radio-inline + .radio-inline,
265 .checkbox-inline + .checkbox-inline {
267 margin-left: 10px; // space out consecutive inline controls
270 // Apply same disabled cursor tweak as for inputs
271 // Some special care is needed because <label>s don't inherit their parent's `cursor`.
273 // Note: Neither radios nor checkboxes can be readonly.
275 input[type="checkbox"] {
278 fieldset[disabled] & {
279 cursor: $cursor-disabled;
282 // These classes are used directly on <label>s
286 fieldset[disabled] & {
287 cursor: $cursor-disabled;
290 // These classes are used on elements with <label> descendants
294 fieldset[disabled] & {
296 cursor: $cursor-disabled;
302 // Static form control text
304 // Apply class to a `p` element to make any string of text align with labels in
305 // a horizontal form layout.
307 .form-control-static {
308 // Size it appropriately next to real form controls
309 padding-top: ($padding-base-vertical + 1);
310 padding-bottom: ($padding-base-vertical + 1);
311 // Remove default margin from `p`
313 min-height: ($line-height-computed + $font-size-base);
323 // Form control sizing
325 // Build on `.form-control` with modifier classes to decrease or increase the
326 // height and font-size of form controls.
328 // The `.form-group-* form-control` variations are sadly duplicated to avoid the
329 // issue documented in https://github.com/twbs/bootstrap/issues/15074.
331 @include input-size('.input-sm', $input-height-small, $padding-small-vertical, $padding-small-horizontal, $font-size-small, $line-height-small, $input-border-radius-small);
334 height: $input-height-small;
335 padding: $padding-small-vertical $padding-small-horizontal;
336 font-size: $font-size-small;
337 line-height: $line-height-small;
338 border-radius: $input-border-radius-small;
340 select.form-control {
341 height: $input-height-small;
342 line-height: $input-height-small;
344 textarea.form-control,
345 select[multiple].form-control {
348 .form-control-static {
349 height: $input-height-small;
350 min-height: ($line-height-computed + $font-size-small);
351 padding: ($padding-small-vertical + 1) $padding-small-horizontal;
352 font-size: $font-size-small;
353 line-height: $line-height-small;
357 @include input-size('.input-lg', $input-height-large, $padding-large-vertical, $padding-large-horizontal, $font-size-large, $line-height-large, $input-border-radius-large);
360 height: $input-height-large;
361 padding: $padding-large-vertical $padding-large-horizontal;
362 font-size: $font-size-large;
363 line-height: $line-height-large;
364 border-radius: $input-border-radius-large;
366 select.form-control {
367 height: $input-height-large;
368 line-height: $input-height-large;
370 textarea.form-control,
371 select[multiple].form-control {
374 .form-control-static {
375 height: $input-height-large;
376 min-height: ($line-height-computed + $font-size-large);
377 padding: ($padding-large-vertical + 1) $padding-large-horizontal;
378 font-size: $font-size-large;
379 line-height: $line-height-large;
384 // Form control feedback states
386 // Apply contextual and semantic states to individual form controls.
389 // Enable absolute positioning
392 // Ensure icons don't overlap text
394 padding-right: ($input-height-base * 1.25);
397 // Feedback icon (requires .glyphicon classes)
398 .form-control-feedback {
402 z-index: 2; // Ensure icon is above input groups
404 width: $input-height-base;
405 height: $input-height-base;
406 line-height: $input-height-base;
408 pointer-events: none;
410 .input-lg + .form-control-feedback,
411 .input-group-lg + .form-control-feedback,
412 .form-group-lg .form-control + .form-control-feedback {
413 width: $input-height-large;
414 height: $input-height-large;
415 line-height: $input-height-large;
417 .input-sm + .form-control-feedback,
418 .input-group-sm + .form-control-feedback,
419 .form-group-sm .form-control + .form-control-feedback {
420 width: $input-height-small;
421 height: $input-height-small;
422 line-height: $input-height-small;
427 @include form-control-validation($state-success-text, $state-success-text, $state-success-bg);
430 @include form-control-validation($state-warning-text, $state-warning-text, $state-warning-bg);
433 @include form-control-validation($state-danger-text, $state-danger-text, $state-danger-bg);
436 // Reposition feedback icon if input has visible label above
437 .has-feedback label {
439 & ~ .form-control-feedback {
440 top: ($line-height-computed + 5); // Height of the `label` and its margin
442 &.sr-only ~ .form-control-feedback {
450 // Apply to any element you wish to create light text for placement immediately
451 // below a form control. Use for general help, formatting, or instructional text.
454 display: block; // account for any element using help-block
457 color: lighten($text-color, 25%); // lighten the text some for contrast
463 // Make forms appear inline(-block) by adding the `.form-inline` class. Inline
464 // forms begin stacked on extra small (mobile) devices and then go inline when
465 // viewports reach <768px.
467 // Requires wrapping inputs and labels with `.form-group` for proper display of
468 // default HTML form controls and our custom form controls (e.g., input groups).
470 // Heads up! This is mixin-ed into `.navbar-form` in navbars.less.
472 // [converter] extracted from `.form-inline` for libsass compatibility
475 // Kick in the inline
476 @media (min-width: $screen-sm-min) {
477 // Inline-block all the things for "inline"
479 display: inline-block;
481 vertical-align: middle;
484 // In navbar-form, allow folks to *not* use `.form-group`
486 display: inline-block;
487 width: auto; // Prevent labels from stacking above inputs in `.form-group`
488 vertical-align: middle;
491 // Make static controls behave like regular ones
492 .form-control-static {
493 display: inline-block;
497 display: inline-table;
498 vertical-align: middle;
507 // Input groups need that 100% width though
508 .input-group > .form-control {
514 vertical-align: middle;
517 // Remove default margin on radios/checkboxes that were used for stacking, and
518 // then undo the floating of radios and checkboxes to match.
521 display: inline-block;
524 vertical-align: middle;
530 .radio input[type="radio"],
531 .checkbox input[type="checkbox"] {
536 // Re-override the feedback icon.
537 .has-feedback .form-control-feedback {
542 // [converter] extracted as `@mixin form-inline` for libsass compatibility
544 @include form-inline;
551 // Horizontal forms are built on grid classes and allow you to create forms with
552 // labels on the left and inputs on the right.
556 // Consistent vertical alignment of radios and checkboxes
558 // Labels also get some reset styles, but that is scoped to a media query below.
565 padding-top: ($padding-base-vertical + 1); // Default padding plus a border
567 // Account for padding we're adding to ensure the alignment and of help text
568 // and other content below items
571 min-height: ($line-height-computed + ($padding-base-vertical + 1));
574 // Make form groups behave like rows
579 // Reset spacing and right align labels, but scope to media queries so that
580 // labels on narrow viewports stack the same as a default form example.
581 @media (min-width: $screen-sm-min) {
585 padding-top: ($padding-base-vertical + 1); // Default padding plus a border
591 // Reposition the icon because it's now within a grid column and columns have
592 // `position: relative;` on them. Also accounts for the grid gutter padding.
593 .has-feedback .form-control-feedback {
594 right: floor(($grid-gutter-width / 2));
599 // Quick utility class for applying `.input-lg` and `.input-sm` styles to the
600 // inputs and labels within a `.form-group`.
602 @media (min-width: $screen-sm-min) {
604 padding-top: ($padding-large-vertical + 1);
605 font-size: $font-size-large;
610 @media (min-width: $screen-sm-min) {
612 padding-top: ($padding-small-vertical + 1);
613 font-size: $font-size-small;