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 // 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 // Reset height for `textarea`s
165 // Search inputs in iOS
167 // This overrides the extra rounded corners on search inputs in iOS so that our
168 // `.form-control` class can properly style them. Note that this cannot simply
169 // be added to `.form-control` as it's not specific enough. For details, see
170 // https://github.com/twbs/bootstrap/issues/11586.
172 input[type="search"] {
173 -webkit-appearance: none;
177 // Special styles for iOS temporal inputs
179 // In Mobile Safari, setting `display: block` on temporal inputs causes the
180 // text within the input to become vertically misaligned. As a workaround, we
181 // set a pixel line-height that matches the given height of the input, but only
182 // for Safari. See https://bugs.webkit.org/show_bug.cgi?id=139848
184 // Note that as of 9.3, iOS doesn't support `week`.
186 @media screen and (-webkit-min-device-pixel-ratio: 0) {
189 input[type="datetime-local"],
190 input[type="month"] {
192 line-height: @input-height-base;
197 line-height: @input-height-small;
202 line-height: @input-height-large;
210 // Designed to help with the organization and spacing of vertical forms. For
211 // horizontal forms, use the predefined grid classes.
214 margin-bottom: @form-group-margin-bottom;
218 // Checkboxes and radios
220 // Indent the labels to position radios/checkboxes as hanging controls.
230 min-height: @line-height-computed; // Ensure the input doesn't jump when there is no text
237 .radio input[type="radio"],
238 .radio-inline input[type="radio"],
239 .checkbox input[type="checkbox"],
240 .checkbox-inline input[type="checkbox"] {
247 .checkbox + .checkbox {
248 margin-top: -5px; // Move up sibling radios or checkboxes for tighter spacing
251 // Radios and checkboxes on same line
255 display: inline-block;
258 vertical-align: middle;
262 .radio-inline + .radio-inline,
263 .checkbox-inline + .checkbox-inline {
265 margin-left: 10px; // space out consecutive inline controls
268 // Apply same disabled cursor tweak as for inputs
269 // Some special care is needed because <label>s don't inherit their parent's `cursor`.
271 // Note: Neither radios nor checkboxes can be readonly.
273 input[type="checkbox"] {
276 fieldset[disabled] & {
277 cursor: @cursor-disabled;
280 // These classes are used directly on <label>s
284 fieldset[disabled] & {
285 cursor: @cursor-disabled;
288 // These classes are used on elements with <label> descendants
292 fieldset[disabled] & {
294 cursor: @cursor-disabled;
300 // Static form control text
302 // Apply class to a `p` element to make any string of text align with labels in
303 // a horizontal form layout.
305 .form-control-static {
306 // Size it appropriately next to real form controls
307 padding-top: (@padding-base-vertical + 1);
308 padding-bottom: (@padding-base-vertical + 1);
309 // Remove default margin from `p`
311 min-height: (@line-height-computed + @font-size-base);
321 // Form control sizing
323 // Build on `.form-control` with modifier classes to decrease or increase the
324 // height and font-size of form controls.
326 // The `.form-group-* form-control` variations are sadly duplicated to avoid the
327 // issue documented in https://github.com/twbs/bootstrap/issues/15074.
330 .input-size(@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;
358 .input-size(@input-height-large; @padding-large-vertical; @padding-large-horizontal; @font-size-large; @line-height-large; @input-border-radius-large);
362 height: @input-height-large;
363 padding: @padding-large-vertical @padding-large-horizontal;
364 font-size: @font-size-large;
365 line-height: @line-height-large;
366 border-radius: @input-border-radius-large;
368 select.form-control {
369 height: @input-height-large;
370 line-height: @input-height-large;
372 textarea.form-control,
373 select[multiple].form-control {
376 .form-control-static {
377 height: @input-height-large;
378 min-height: (@line-height-computed + @font-size-large);
379 padding: (@padding-large-vertical + 1) @padding-large-horizontal;
380 font-size: @font-size-large;
381 line-height: @line-height-large;
386 // Form control feedback states
388 // Apply contextual and semantic states to individual form controls.
391 // Enable absolute positioning
394 // Ensure icons don't overlap text
396 padding-right: (@input-height-base * 1.25);
399 // Feedback icon (requires .glyphicon classes)
400 .form-control-feedback {
404 z-index: 2; // Ensure icon is above input groups
406 width: @input-height-base;
407 height: @input-height-base;
408 line-height: @input-height-base;
410 pointer-events: none;
412 .input-lg + .form-control-feedback,
413 .input-group-lg + .form-control-feedback,
414 .form-group-lg .form-control + .form-control-feedback {
415 width: @input-height-large;
416 height: @input-height-large;
417 line-height: @input-height-large;
419 .input-sm + .form-control-feedback,
420 .input-group-sm + .form-control-feedback,
421 .form-group-sm .form-control + .form-control-feedback {
422 width: @input-height-small;
423 height: @input-height-small;
424 line-height: @input-height-small;
429 .form-control-validation(@state-success-text; @state-success-text; @state-success-bg);
432 .form-control-validation(@state-warning-text; @state-warning-text; @state-warning-bg);
435 .form-control-validation(@state-danger-text; @state-danger-text; @state-danger-bg);
438 // Reposition feedback icon if input has visible label above
439 .has-feedback label {
441 & ~ .form-control-feedback {
442 top: (@line-height-computed + 5); // Height of the `label` and its margin
444 &.sr-only ~ .form-control-feedback {
452 // Apply to any element you wish to create light text for placement immediately
453 // below a form control. Use for general help, formatting, or instructional text.
456 display: block; // account for any element using help-block
459 color: lighten(@text-color, 25%); // lighten the text some for contrast
465 // Make forms appear inline(-block) by adding the `.form-inline` class. Inline
466 // forms begin stacked on extra small (mobile) devices and then go inline when
467 // viewports reach <768px.
469 // Requires wrapping inputs and labels with `.form-group` for proper display of
470 // default HTML form controls and our custom form controls (e.g., input groups).
472 // Heads up! This is mixin-ed into `.navbar-form` in navbars.less.
476 // Kick in the inline
477 @media (min-width: @screen-sm-min) {
478 // Inline-block all the things for "inline"
480 display: inline-block;
482 vertical-align: middle;
485 // In navbar-form, allow folks to *not* use `.form-group`
487 display: inline-block;
488 width: auto; // Prevent labels from stacking above inputs in `.form-group`
489 vertical-align: middle;
492 // Make static controls behave like regular ones
493 .form-control-static {
494 display: inline-block;
498 display: inline-table;
499 vertical-align: middle;
508 // Input groups need that 100% width though
509 .input-group > .form-control {
515 vertical-align: middle;
518 // Remove default margin on radios/checkboxes that were used for stacking, and
519 // then undo the floating of radios and checkboxes to match.
522 display: inline-block;
525 vertical-align: middle;
531 .radio input[type="radio"],
532 .checkbox input[type="checkbox"] {
537 // Re-override the feedback icon.
538 .has-feedback .form-control-feedback {
547 // Horizontal forms are built on grid classes and allow you to create forms with
548 // labels on the left and inputs on the right.
552 // Consistent vertical alignment of radios and checkboxes
554 // Labels also get some reset styles, but that is scoped to a media query below.
561 padding-top: (@padding-base-vertical + 1); // Default padding plus a border
563 // Account for padding we're adding to ensure the alignment and of help text
564 // and other content below items
567 min-height: (@line-height-computed + (@padding-base-vertical + 1));
570 // Make form groups behave like rows
575 // Reset spacing and right align labels, but scope to media queries so that
576 // labels on narrow viewports stack the same as a default form example.
577 @media (min-width: @screen-sm-min) {
581 padding-top: (@padding-base-vertical + 1); // Default padding plus a border
587 // Reposition the icon because it's now within a grid column and columns have
588 // `position: relative;` on them. Also accounts for the grid gutter padding.
589 .has-feedback .form-control-feedback {
590 right: floor((@grid-gutter-width / 2));
595 // Quick utility class for applying `.input-lg` and `.input-sm` styles to the
596 // inputs and labels within a `.form-group`.
598 @media (min-width: @screen-sm-min) {
600 padding-top: (@padding-large-vertical + 1);
601 font-size: @font-size-large;
606 @media (min-width: @screen-sm-min) {
608 padding-top: (@padding-small-vertical + 1);
609 font-size: @font-size-small;