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- //
- // Forms
- // --------------------------------------------------
-
-
- // Normalize non-controls
- //
- // Restyle and baseline non-control form elements.
-
- fieldset {
- padding: 0;
- margin: 0;
- border: 0;
- // Chrome and Firefox set a `min-width: min-content;` on fieldsets,
- // so we reset that to ensure it behaves more like a standard block element.
- // See https://github.com/twbs/bootstrap/issues/12359.
- min-width: 0;
- }
-
- legend {
- display: block;
- width: 100%;
- padding: 0;
- margin-bottom: @line-height-computed;
- font-size: (@font-size-base * 1.5);
- line-height: inherit;
- color: @legend-color;
- border: 0;
- border-bottom: 1px solid @legend-border-color;
- }
-
- label {
- display: inline-block;
- max-width: 100%; // Force IE8 to wrap long content (see https://github.com/twbs/bootstrap/issues/13141)
- margin-bottom: 5px;
- font-weight: bold;
- }
-
-
- // Normalize form controls
- //
- // While most of our form styles require extra classes, some basic normalization
- // is required to ensure optimum display with or without those classes to better
- // address browser inconsistencies.
-
- // Override content-box in Normalize (* isn't specific enough)
- input[type="search"] {
- .box-sizing(border-box);
- }
-
- // Position radios and checkboxes better
- input[type="radio"],
- input[type="checkbox"] {
- margin: 4px 0 0;
- margin-top: 1px \9; // IE8-9
- line-height: normal;
- }
-
- input[type="file"] {
- display: block;
- }
-
- // Make range inputs behave like textual form controls
- input[type="range"] {
- display: block;
- width: 100%;
- }
-
- // Make multiple select elements height not fixed
- select[multiple],
- select[size] {
- height: auto;
- }
-
- // Focus for file, radio, and checkbox
- input[type="file"]:focus,
- input[type="radio"]:focus,
- input[type="checkbox"]:focus {
- .tab-focus();
- }
-
- // Adjust output element
- output {
- display: block;
- padding-top: (@padding-base-vertical + 1);
- font-size: @font-size-base;
- line-height: @line-height-base;
- color: @input-color;
- }
-
-
- // Common form controls
- //
- // Shared size and type resets for form controls. Apply `.form-control` to any
- // of the following form controls:
- //
- // select
- // textarea
- // input[type="text"]
- // input[type="password"]
- // input[type="datetime"]
- // input[type="datetime-local"]
- // input[type="date"]
- // input[type="month"]
- // input[type="time"]
- // input[type="week"]
- // input[type="number"]
- // input[type="email"]
- // input[type="url"]
- // input[type="search"]
- // input[type="tel"]
- // input[type="color"]
-
- .form-control {
- display: block;
- width: 100%;
- height: @input-height-base; // Make inputs at least the height of their button counterpart (base line-height + padding + border)
- padding: @padding-base-vertical @padding-base-horizontal;
- font-size: @font-size-base;
- line-height: @line-height-base;
- color: @input-color;
- background-color: @input-bg;
- background-image: none; // Reset unusual Firefox-on-Android default style; see https://github.com/necolas/normalize.css/issues/214
- border: 1px solid @input-border;
- 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.
- .box-shadow(inset 0 1px 1px rgba(0,0,0,.075));
- .transition(~"border-color ease-in-out .15s, box-shadow ease-in-out .15s");
-
- // Customize the `:focus` state to imitate native WebKit styles.
- .form-control-focus();
-
- // Placeholder
- .placeholder();
-
- // Unstyle the caret on `<select>`s in IE10+.
- &::-ms-expand {
- border: 0;
- background-color: transparent;
- }
-
- // 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],
- fieldset[disabled] & {
- background-color: @input-bg-disabled;
- opacity: 1; // iOS fix for unreadable disabled content; see https://github.com/twbs/bootstrap/issues/11655
- }
-
- &[disabled],
- fieldset[disabled] & {
- cursor: @cursor-disabled;
- }
-
- // Reset height for `textarea`s
- textarea& {
- height: auto;
- }
- }
-
-
- // Search inputs in iOS
- //
- // This overrides the extra rounded corners on search inputs in iOS so that our
- // `.form-control` class can properly style them. Note that this cannot simply
- // be added to `.form-control` as it's not specific enough. For details, see
- // https://github.com/twbs/bootstrap/issues/11586.
-
- input[type="search"] {
- -webkit-appearance: none;
- }
-
-
- // Special styles for iOS temporal inputs
- //
- // In Mobile Safari, setting `display: block` on temporal inputs causes the
- // text within the input to become vertically misaligned. As a workaround, we
- // set a pixel line-height that matches the given height of the input, but only
- // for Safari. See https://bugs.webkit.org/show_bug.cgi?id=139848
- //
- // Note that as of 9.3, iOS doesn't support `week`.
-
- @media screen and (-webkit-min-device-pixel-ratio: 0) {
- input[type="date"],
- input[type="time"],
- input[type="datetime-local"],
- input[type="month"] {
- &.form-control {
- line-height: @input-height-base;
- }
-
- &.input-sm,
- .input-group-sm & {
- line-height: @input-height-small;
- }
-
- &.input-lg,
- .input-group-lg & {
- line-height: @input-height-large;
- }
- }
- }
-
-
- // 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;
- }
-
-
- // Checkboxes and radios
- //
- // Indent the labels to position radios/checkboxes as hanging controls.
-
- .radio,
- .checkbox {
- position: relative;
- display: block;
- margin-top: 10px;
- margin-bottom: 10px;
-
- label {
- min-height: @line-height-computed; // Ensure the input doesn't jump when there is no text
- padding-left: 20px;
- margin-bottom: 0;
- font-weight: normal;
- cursor: pointer;
- }
- }
- .radio input[type="radio"],
- .radio-inline input[type="radio"],
- .checkbox input[type="checkbox"],
- .checkbox-inline input[type="checkbox"] {
- position: absolute;
- margin-left: -20px;
- margin-top: 4px \9;
- }
-
- .radio + .radio,
- .checkbox + .checkbox {
- margin-top: -5px; // Move up sibling radios or checkboxes for tighter spacing
- }
-
- // Radios and checkboxes on same line
- .radio-inline,
- .checkbox-inline {
- position: relative;
- display: inline-block;
- padding-left: 20px;
- margin-bottom: 0;
- vertical-align: middle;
- font-weight: normal;
- cursor: pointer;
- }
- .radio-inline + .radio-inline,
- .checkbox-inline + .checkbox-inline {
- margin-top: 0;
- margin-left: 10px; // space out consecutive inline controls
- }
-
- // Apply same disabled cursor tweak as for inputs
- // Some special care is needed because <label>s don't inherit their parent's `cursor`.
- //
- // Note: Neither radios nor checkboxes can be readonly.
- input[type="radio"],
- input[type="checkbox"] {
- &[disabled],
- &.disabled,
- fieldset[disabled] & {
- cursor: @cursor-disabled;
- }
- }
- // These classes are used directly on <label>s
- .radio-inline,
- .checkbox-inline {
- &.disabled,
- fieldset[disabled] & {
- cursor: @cursor-disabled;
- }
- }
- // These classes are used on elements with <label> descendants
- .radio,
- .checkbox {
- &.disabled,
- fieldset[disabled] & {
- label {
- cursor: @cursor-disabled;
- }
- }
- }
-
-
- // Static form control text
- //
- // Apply class to a `p` element to make any string of text align with labels in
- // a horizontal form layout.
-
- .form-control-static {
- // Size it appropriately next to real form controls
- padding-top: (@padding-base-vertical + 1);
- padding-bottom: (@padding-base-vertical + 1);
- // Remove default margin from `p`
- margin-bottom: 0;
- min-height: (@line-height-computed + @font-size-base);
-
- &.input-lg,
- &.input-sm {
- padding-left: 0;
- padding-right: 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 https://github.com/twbs/bootstrap/issues/15074.
-
- .input-sm {
- .input-size(@input-height-small; @padding-small-vertical; @padding-small-horizontal; @font-size-small; @line-height-small; @input-border-radius-small);
- }
- .form-group-sm {
- .form-control {
- height: @input-height-small;
- padding: @padding-small-vertical @padding-small-horizontal;
- font-size: @font-size-small;
- line-height: @line-height-small;
- border-radius: @input-border-radius-small;
- }
- select.form-control {
- height: @input-height-small;
- line-height: @input-height-small;
- }
- textarea.form-control,
- select[multiple].form-control {
- height: auto;
- }
- .form-control-static {
- height: @input-height-small;
- min-height: (@line-height-computed + @font-size-small);
- padding: (@padding-small-vertical + 1) @padding-small-horizontal;
- font-size: @font-size-small;
- line-height: @line-height-small;
- }
- }
-
- .input-lg {
- .input-size(@input-height-large; @padding-large-vertical; @padding-large-horizontal; @font-size-large; @line-height-large; @input-border-radius-large);
- }
- .form-group-lg {
- .form-control {
- height: @input-height-large;
- padding: @padding-large-vertical @padding-large-horizontal;
- font-size: @font-size-large;
- line-height: @line-height-large;
- border-radius: @input-border-radius-large;
- }
- select.form-control {
- height: @input-height-large;
- line-height: @input-height-large;
- }
- textarea.form-control,
- select[multiple].form-control {
- height: auto;
- }
- .form-control-static {
- height: @input-height-large;
- min-height: (@line-height-computed + @font-size-large);
- padding: (@padding-large-vertical + 1) @padding-large-horizontal;
- font-size: @font-size-large;
- line-height: @line-height-large;
- }
- }
-
-
- // Form control feedback states
- //
- // Apply contextual and semantic states to individual form controls.
-
- .has-feedback {
- // Enable absolute positioning
- position: relative;
-
- // Ensure icons don't overlap text
- .form-control {
- padding-right: (@input-height-base * 1.25);
- }
- }
- // Feedback icon (requires .glyphicon classes)
- .form-control-feedback {
- position: absolute;
- top: 0;
- right: 0;
- z-index: 2; // Ensure icon is above input groups
- display: block;
- width: @input-height-base;
- height: @input-height-base;
- line-height: @input-height-base;
- text-align: center;
- pointer-events: none;
- }
- .input-lg + .form-control-feedback,
- .input-group-lg + .form-control-feedback,
- .form-group-lg .form-control + .form-control-feedback {
- width: @input-height-large;
- height: @input-height-large;
- line-height: @input-height-large;
- }
- .input-sm + .form-control-feedback,
- .input-group-sm + .form-control-feedback,
- .form-group-sm .form-control + .form-control-feedback {
- width: @input-height-small;
- height: @input-height-small;
- line-height: @input-height-small;
- }
-
- // Feedback states
- .has-success {
- .form-control-validation(@state-success-text; @state-success-text; @state-success-bg);
- }
- .has-warning {
- .form-control-validation(@state-warning-text; @state-warning-text; @state-warning-bg);
- }
- .has-error {
- .form-control-validation(@state-danger-text; @state-danger-text; @state-danger-bg);
- }
-
- // Reposition feedback icon if input has visible label above
- .has-feedback label {
-
- & ~ .form-control-feedback {
- top: (@line-height-computed + 5); // Height of the `label` and its margin
- }
- &.sr-only ~ .form-control-feedback {
- top: 0;
- }
- }
-
-
- // Help text
- //
- // Apply to any element you wish to create light text for placement immediately
- // below a form control. Use for general help, formatting, or instructional text.
-
- .help-block {
- display: block; // account for any element using help-block
- margin-top: 5px;
- margin-bottom: 10px;
- color: lighten(@text-color, 25%); // lighten the text some for contrast
- }
-
-
- // 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).
- //
- // Heads up! This is mixin-ed into `.navbar-form` in navbars.less.
-
- .form-inline {
-
- // Kick in the inline
- @media (min-width: @screen-sm-min) {
- // Inline-block all the things for "inline"
- .form-group {
- display: inline-block;
- margin-bottom: 0;
- vertical-align: middle;
- }
-
- // In navbar-form, 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 {
- display: inline-table;
- vertical-align: middle;
-
- .input-group-addon,
- .input-group-btn,
- .form-control {
- width: auto;
- }
- }
-
- // Input groups need that 100% width though
- .input-group > .form-control {
- width: 100%;
- }
-
- .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.
- .radio,
- .checkbox {
- display: inline-block;
- margin-top: 0;
- margin-bottom: 0;
- vertical-align: middle;
-
- label {
- padding-left: 0;
- }
- }
- .radio input[type="radio"],
- .checkbox input[type="checkbox"] {
- position: relative;
- margin-left: 0;
- }
-
- // Re-override the feedback icon.
- .has-feedback .form-control-feedback {
- top: 0;
- }
- }
- }
-
-
- // Horizontal forms
- //
- // Horizontal forms are built on grid classes and allow you to create forms with
- // labels on the left and inputs on the right.
-
- .form-horizontal {
-
- // Consistent vertical alignment of radios and checkboxes
- //
- // Labels also get some reset styles, but that is scoped to a media query below.
- .radio,
- .checkbox,
- .radio-inline,
- .checkbox-inline {
- margin-top: 0;
- margin-bottom: 0;
- padding-top: (@padding-base-vertical + 1); // Default padding plus a border
- }
- // Account for padding we're adding to ensure the alignment and of help text
- // and other content below items
- .radio,
- .checkbox {
- min-height: (@line-height-computed + (@padding-base-vertical + 1));
- }
-
- // Make form groups behave like rows
- .form-group {
- .make-row();
- }
-
- // Reset spacing and right align labels, but scope to media queries so that
- // labels on narrow viewports stack the same as a default form example.
- @media (min-width: @screen-sm-min) {
- .control-label {
- text-align: right;
- margin-bottom: 0;
- padding-top: (@padding-base-vertical + 1); // Default padding plus a border
- }
- }
-
- // Validation states
- //
- // Reposition the icon because it's now within a grid column and columns have
- // `position: relative;` on them. Also accounts for the grid gutter padding.
- .has-feedback .form-control-feedback {
- right: floor((@grid-gutter-width / 2));
- }
-
- // Form group sizes
- //
- // Quick utility class for applying `.input-lg` and `.input-sm` styles to the
- // inputs and labels within a `.form-group`.
- .form-group-lg {
- @media (min-width: @screen-sm-min) {
- .control-label {
- padding-top: (@padding-large-vertical + 1);
- font-size: @font-size-large;
- }
- }
- }
- .form-group-sm {
- @media (min-width: @screen-sm-min) {
- .control-label {
- padding-top: (@padding-small-vertical + 1);
- font-size: @font-size-small;
- }
- }
- }
- }
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