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 .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 .box-shadow(inset 0 1px 1px rgba(0,0,0,.075));
127 .transition(~"border-color ease-in-out .15s, box-shadow ease-in-out .15s");
129 // Customize the `:focus` state to imitate native WebKit styles.
130 .form-control-focus();
135 // Disabled and read-only inputs
137 // HTML5 says that controls under a fieldset > legend:first-child won't be
138 // disabled if the fieldset is disabled. Due to implementation difficulty, we
139 // don't honor that edge case; we style them as disabled anyway.
142 fieldset[disabled] & {
143 background-color: @input-bg-disabled;
144 opacity: 1; // iOS fix for unreadable disabled content; see https://github.com/twbs/bootstrap/issues/11655
148 fieldset[disabled] & {
149 cursor: @cursor-disabled;
152 // Reset height for `textarea`s
159 // Search inputs in iOS
161 // This overrides the extra rounded corners on search inputs in iOS so that our
162 // `.form-control` class can properly style them. Note that this cannot simply
163 // be added to `.form-control` as it's not specific enough. For details, see
164 // https://github.com/twbs/bootstrap/issues/11586.
166 input[type="search"] {
167 -webkit-appearance: none;
171 // Special styles for iOS temporal inputs
173 // In Mobile Safari, setting `display: block` on temporal inputs causes the
174 // text within the input to become vertically misaligned. As a workaround, we
175 // set a pixel line-height that matches the given height of the input, but only
176 // for Safari. See https://bugs.webkit.org/show_bug.cgi?id=139848
178 // Note that as of 8.3, iOS doesn't support `datetime` or `week`.
180 @media screen and (-webkit-min-device-pixel-ratio: 0) {
183 input[type="datetime-local"],
184 input[type="month"] {
186 line-height: @input-height-base;
191 line-height: @input-height-small;
196 line-height: @input-height-large;
204 // Designed to help with the organization and spacing of vertical forms. For
205 // horizontal forms, use the predefined grid classes.
208 margin-bottom: @form-group-margin-bottom;
212 // Checkboxes and radios
214 // Indent the labels to position radios/checkboxes as hanging controls.
224 min-height: @line-height-computed; // Ensure the input doesn't jump when there is no text
231 .radio input[type="radio"],
232 .radio-inline input[type="radio"],
233 .checkbox input[type="checkbox"],
234 .checkbox-inline input[type="checkbox"] {
241 .checkbox + .checkbox {
242 margin-top: -5px; // Move up sibling radios or checkboxes for tighter spacing
245 // Radios and checkboxes on same line
249 display: inline-block;
252 vertical-align: middle;
256 .radio-inline + .radio-inline,
257 .checkbox-inline + .checkbox-inline {
259 margin-left: 10px; // space out consecutive inline controls
262 // Apply same disabled cursor tweak as for inputs
263 // Some special care is needed because <label>s don't inherit their parent's `cursor`.
265 // Note: Neither radios nor checkboxes can be readonly.
267 input[type="checkbox"] {
270 fieldset[disabled] & {
271 cursor: @cursor-disabled;
274 // These classes are used directly on <label>s
278 fieldset[disabled] & {
279 cursor: @cursor-disabled;
282 // These classes are used on elements with <label> descendants
286 fieldset[disabled] & {
288 cursor: @cursor-disabled;
294 // Static form control text
296 // Apply class to a `p` element to make any string of text align with labels in
297 // a horizontal form layout.
299 .form-control-static {
300 // Size it appropriately next to real form controls
301 padding-top: (@padding-base-vertical + 1);
302 padding-bottom: (@padding-base-vertical + 1);
303 // Remove default margin from `p`
305 min-height: (@line-height-computed + @font-size-base);
315 // Form control sizing
317 // Build on `.form-control` with modifier classes to decrease or increase the
318 // height and font-size of form controls.
320 // The `.form-group-* form-control` variations are sadly duplicated to avoid the
321 // issue documented in https://github.com/twbs/bootstrap/issues/15074.
324 .input-size(@input-height-small; @padding-small-vertical; @padding-small-horizontal; @font-size-small; @line-height-small; @input-border-radius-small);
328 height: @input-height-small;
329 padding: @padding-small-vertical @padding-small-horizontal;
330 font-size: @font-size-small;
331 line-height: @line-height-small;
332 border-radius: @input-border-radius-small;
334 select.form-control {
335 height: @input-height-small;
336 line-height: @input-height-small;
338 textarea.form-control,
339 select[multiple].form-control {
342 .form-control-static {
343 height: @input-height-small;
344 min-height: (@line-height-computed + @font-size-small);
345 padding: (@padding-small-vertical + 1) @padding-small-horizontal;
346 font-size: @font-size-small;
347 line-height: @line-height-small;
352 .input-size(@input-height-large; @padding-large-vertical; @padding-large-horizontal; @font-size-large; @line-height-large; @input-border-radius-large);
356 height: @input-height-large;
357 padding: @padding-large-vertical @padding-large-horizontal;
358 font-size: @font-size-large;
359 line-height: @line-height-large;
360 border-radius: @input-border-radius-large;
362 select.form-control {
363 height: @input-height-large;
364 line-height: @input-height-large;
366 textarea.form-control,
367 select[multiple].form-control {
370 .form-control-static {
371 height: @input-height-large;
372 min-height: (@line-height-computed + @font-size-large);
373 padding: (@padding-large-vertical + 1) @padding-large-horizontal;
374 font-size: @font-size-large;
375 line-height: @line-height-large;
380 // Form control feedback states
382 // Apply contextual and semantic states to individual form controls.
385 // Enable absolute positioning
388 // Ensure icons don't overlap text
390 padding-right: (@input-height-base * 1.25);
393 // Feedback icon (requires .glyphicon classes)
394 .form-control-feedback {
398 z-index: 2; // Ensure icon is above input groups
400 width: @input-height-base;
401 height: @input-height-base;
402 line-height: @input-height-base;
404 pointer-events: none;
406 .input-lg + .form-control-feedback,
407 .input-group-lg + .form-control-feedback,
408 .form-group-lg .form-control + .form-control-feedback {
409 width: @input-height-large;
410 height: @input-height-large;
411 line-height: @input-height-large;
413 .input-sm + .form-control-feedback,
414 .input-group-sm + .form-control-feedback,
415 .form-group-sm .form-control + .form-control-feedback {
416 width: @input-height-small;
417 height: @input-height-small;
418 line-height: @input-height-small;
423 .form-control-validation(@state-success-text; @state-success-text; @state-success-bg);
426 .form-control-validation(@state-warning-text; @state-warning-text; @state-warning-bg);
429 .form-control-validation(@state-danger-text; @state-danger-text; @state-danger-bg);
432 // Reposition feedback icon if input has visible label above
433 .has-feedback label {
435 & ~ .form-control-feedback {
436 top: (@line-height-computed + 5); // Height of the `label` and its margin
438 &.sr-only ~ .form-control-feedback {
446 // Apply to any element you wish to create light text for placement immediately
447 // below a form control. Use for general help, formatting, or instructional text.
450 display: block; // account for any element using help-block
453 color: lighten(@text-color, 25%); // lighten the text some for contrast
459 // Make forms appear inline(-block) by adding the `.form-inline` class. Inline
460 // forms begin stacked on extra small (mobile) devices and then go inline when
461 // viewports reach <768px.
463 // Requires wrapping inputs and labels with `.form-group` for proper display of
464 // default HTML form controls and our custom form controls (e.g., input groups).
466 // Heads up! This is mixin-ed into `.navbar-form` in navbars.less.
470 // Kick in the inline
471 @media (min-width: @screen-sm-min) {
472 // Inline-block all the things for "inline"
474 display: inline-block;
476 vertical-align: middle;
479 // In navbar-form, allow folks to *not* use `.form-group`
481 display: inline-block;
482 width: auto; // Prevent labels from stacking above inputs in `.form-group`
483 vertical-align: middle;
486 // Make static controls behave like regular ones
487 .form-control-static {
488 display: inline-block;
492 display: inline-table;
493 vertical-align: middle;
502 // Input groups need that 100% width though
503 .input-group > .form-control {
509 vertical-align: middle;
512 // Remove default margin on radios/checkboxes that were used for stacking, and
513 // then undo the floating of radios and checkboxes to match.
516 display: inline-block;
519 vertical-align: middle;
525 .radio input[type="radio"],
526 .checkbox input[type="checkbox"] {
531 // Re-override the feedback icon.
532 .has-feedback .form-control-feedback {
541 // Horizontal forms are built on grid classes and allow you to create forms with
542 // labels on the left and inputs on the right.
546 // Consistent vertical alignment of radios and checkboxes
548 // Labels also get some reset styles, but that is scoped to a media query below.
555 padding-top: (@padding-base-vertical + 1); // Default padding plus a border
557 // Account for padding we're adding to ensure the alignment and of help text
558 // and other content below items
561 min-height: (@line-height-computed + (@padding-base-vertical + 1));
564 // Make form groups behave like rows
569 // Reset spacing and right align labels, but scope to media queries so that
570 // labels on narrow viewports stack the same as a default form example.
571 @media (min-width: @screen-sm-min) {
575 padding-top: (@padding-base-vertical + 1); // Default padding plus a border
581 // Reposition the icon because it's now within a grid column and columns have
582 // `position: relative;` on them. Also accounts for the grid gutter padding.
583 .has-feedback .form-control-feedback {
584 right: floor((@grid-gutter-width / 2));
589 // Quick utility class for applying `.input-lg` and `.input-sm` styles to the
590 // inputs and labels within a `.form-group`.
592 @media (min-width: @screen-sm-min) {
594 padding-top: ((@padding-large-vertical * @line-height-large) + 1);
595 font-size: @font-size-large;
600 @media (min-width: @screen-sm-min) {
602 padding-top: (@padding-small-vertical + 1);
603 font-size: @font-size-small;