From 62cb2b3439b300840b0edfcd826d6bcdeef11c55 Mon Sep 17 00:00:00 2001 From: Petr Vobornik Date: Mon, 27 Jan 2014 18:15:12 +0100 Subject: Add Boostrap files Signed-off-by: Petr Vobornik --- less/bootstrap/mixins.less | 921 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 921 insertions(+) create mode 100644 less/bootstrap/mixins.less (limited to 'less/bootstrap/mixins.less') diff --git a/less/bootstrap/mixins.less b/less/bootstrap/mixins.less new file mode 100644 index 0000000..1045907 --- /dev/null +++ b/less/bootstrap/mixins.less @@ -0,0 +1,921 @@ +// +// Mixins +// -------------------------------------------------- + + +// Utilities +// ------------------------- + +// Clearfix +// Source: http://nicolasgallagher.com/micro-clearfix-hack/ +// +// For modern browsers +// 1. The space content is one way to avoid an Opera bug when the +// contenteditable attribute is included anywhere else in the document. +// Otherwise it causes space to appear at the top and bottom of elements +// that are clearfixed. +// 2. The use of `table` rather than `block` is only necessary if using +// `:before` to contain the top-margins of child elements. +.clearfix() { + &:before, + &:after { + content: " "; // 1 + display: table; // 2 + } + &:after { + clear: both; + } +} + +// WebKit-style focus +.tab-focus() { + // Default + outline: thin dotted; + // WebKit + outline: 5px auto -webkit-focus-ring-color; + outline-offset: -2px; +} + +// Center-align a block level element +.center-block() { + display: block; + margin-left: auto; + margin-right: auto; +} + +// Sizing shortcuts +.size(@width; @height) { + width: @width; + height: @height; +} +.square(@size) { + .size(@size; @size); +} + +// Placeholder text +.placeholder(@color: @input-color-placeholder) { + &:-moz-placeholder { color: @color; } // Firefox 4-18 + &::-moz-placeholder { color: @color; // Firefox 19+ + opacity: 1; } // See https://github.com/twbs/bootstrap/pull/11526 + &:-ms-input-placeholder { color: @color; } // Internet Explorer 10+ + &::-webkit-input-placeholder { color: @color; } // Safari and Chrome +} + +// Text overflow +// Requires inline-block or block for proper styling +.text-overflow() { + overflow: hidden; + text-overflow: ellipsis; + white-space: nowrap; +} + +// CSS image replacement +// +// Heads up! v3 launched with with only `.hide-text()`, but per our pattern for +// mixins being reused as classes with the same name, this doesn't hold up. As +// of v3.0.1 we have added `.text-hide()` and deprecated `.hide-text()`. Note +// that we cannot chain the mixins together in Less, so they are repeated. +// +// Source: https://github.com/h5bp/html5-boilerplate/commit/aa0396eae757 + +// Deprecated as of v3.0.1 (will be removed in v4) +.hide-text() { + font: ~"0/0" a; + color: transparent; + text-shadow: none; + background-color: transparent; + border: 0; +} +// New mixin to use as of v3.0.1 +.text-hide() { + .hide-text(); +} + + + +// CSS3 PROPERTIES +// -------------------------------------------------- + +// Single side border-radius +.border-top-radius(@radius) { + border-top-right-radius: @radius; + border-top-left-radius: @radius; +} +.border-right-radius(@radius) { + border-bottom-right-radius: @radius; + border-top-right-radius: @radius; +} +.border-bottom-radius(@radius) { + border-bottom-right-radius: @radius; + border-bottom-left-radius: @radius; +} +.border-left-radius(@radius) { + border-bottom-left-radius: @radius; + border-top-left-radius: @radius; +} + +// Drop shadows +.box-shadow(@shadow) { + -webkit-box-shadow: @shadow; // iOS <4.3 & Android <4.1 + box-shadow: @shadow; +} + +// Transitions +.transition(@transition) { + -webkit-transition: @transition; + transition: @transition; +} +.transition-property(@transition-property) { + -webkit-transition-property: @transition-property; + transition-property: @transition-property; +} +.transition-delay(@transition-delay) { + -webkit-transition-delay: @transition-delay; + transition-delay: @transition-delay; +} +.transition-duration(@transition-duration) { + -webkit-transition-duration: @transition-duration; + transition-duration: @transition-duration; +} +.transition-transform(@transition) { + -webkit-transition: -webkit-transform @transition; + -moz-transition: -moz-transform @transition; + -o-transition: -o-transform @transition; + transition: transform @transition; +} + +// Transformations +.rotate(@degrees) { + -webkit-transform: rotate(@degrees); + -ms-transform: rotate(@degrees); // IE9 only + transform: rotate(@degrees); +} +.scale(@ratio; @ratio-y...) { + -webkit-transform: scale(@ratio, @ratio-y); + -ms-transform: scale(@ratio, @ratio-y); // IE9 only + transform: scale(@ratio, @ratio-y); +} +.translate(@x; @y) { + -webkit-transform: translate(@x, @y); + -ms-transform: translate(@x, @y); // IE9 only + transform: translate(@x, @y); +} +.skew(@x; @y) { + -webkit-transform: skew(@x, @y); + -ms-transform: skewX(@x) skewY(@y); // See https://github.com/twbs/bootstrap/issues/4885; IE9+ + transform: skew(@x, @y); +} +.translate3d(@x; @y; @z) { + -webkit-transform: translate3d(@x, @y, @z); + transform: translate3d(@x, @y, @z); +} + +.rotateX(@degrees) { + -webkit-transform: rotateX(@degrees); + -ms-transform: rotateX(@degrees); // IE9 only + transform: rotateX(@degrees); +} +.rotateY(@degrees) { + -webkit-transform: rotateY(@degrees); + -ms-transform: rotateY(@degrees); // IE9 only + transform: rotateY(@degrees); +} +.perspective(@perspective) { + -webkit-perspective: @perspective; + -moz-perspective: @perspective; + perspective: @perspective; +} +.perspective-origin(@perspective) { + -webkit-perspective-origin: @perspective; + -moz-perspective-origin: @perspective; + perspective-origin: @perspective; +} +.transform-origin(@origin) { + -webkit-transform-origin: @origin; + -moz-transform-origin: @origin; + -ms-transform-origin: @origin; // IE9 only + transform-origin: @origin; +} + +// Animations +.animation(@animation) { + -webkit-animation: @animation; + animation: @animation; +} +.animation-name(@name) { + -webkit-animation-name: @name; + animation-name: @name; +} +.animation-duration(@duration) { + -webkit-animation-duration: @duration; + animation-duration: @duration; +} +.animation-timing-function(@timing-function) { + -webkit-animation-timing-function: @timing-function; + animation-timing-function: @timing-function; +} +.animation-delay(@delay) { + -webkit-animation-delay: @delay; + animation-delay: @delay; +} +.animation-iteration-count(@iteration-count) { + -webkit-animation-iteration-count: @iteration-count; + animation-iteration-count: @iteration-count; +} +.animation-direction(@direction) { + -webkit-animation-direction: @direction; + animation-direction: @direction; +} + +// Backface visibility +// Prevent browsers from flickering when using CSS 3D transforms. +// Default value is `visible`, but can be changed to `hidden` +.backface-visibility(@visibility){ + -webkit-backface-visibility: @visibility; + -moz-backface-visibility: @visibility; + backface-visibility: @visibility; +} + +// Box sizing +.box-sizing(@boxmodel) { + -webkit-box-sizing: @boxmodel; + -moz-box-sizing: @boxmodel; + box-sizing: @boxmodel; +} + +// User select +// For selecting text on the page +.user-select(@select) { + -webkit-user-select: @select; + -moz-user-select: @select; + -ms-user-select: @select; // IE10+ + -o-user-select: @select; + user-select: @select; +} + +// Resize anything +.resizable(@direction) { + resize: @direction; // Options: horizontal, vertical, both + overflow: auto; // Safari fix +} + +// CSS3 Content Columns +.content-columns(@column-count; @column-gap: @grid-gutter-width) { + -webkit-column-count: @column-count; + -moz-column-count: @column-count; + column-count: @column-count; + -webkit-column-gap: @column-gap; + -moz-column-gap: @column-gap; + column-gap: @column-gap; +} + +// Optional hyphenation +.hyphens(@mode: auto) { + word-wrap: break-word; + -webkit-hyphens: @mode; + -moz-hyphens: @mode; + -ms-hyphens: @mode; // IE10+ + -o-hyphens: @mode; + hyphens: @mode; +} + +// Opacity +.opacity(@opacity) { + opacity: @opacity; + // IE8 filter + @opacity-ie: (@opacity * 100); + filter: ~"alpha(opacity=@{opacity-ie})"; +} + + + +// GRADIENTS +// -------------------------------------------------- + +#gradient { + + // Horizontal gradient, from left to right + // + // Creates two color stops, start and end, by specifying a color and position for each color stop. + // Color stops are not available in IE9 and below. + .horizontal(@start-color: #555; @end-color: #333; @start-percent: 0%; @end-percent: 100%) { + background-image: -webkit-linear-gradient(left, color-stop(@start-color @start-percent), color-stop(@end-color @end-percent)); // Safari 5.1-6, Chrome 10+ + background-image: linear-gradient(to right, @start-color @start-percent, @end-color @end-percent); // Standard, IE10, Firefox 16+, Opera 12.10+, Safari 7+, Chrome 26+ + background-repeat: repeat-x; + filter: e(%("progid:DXImageTransform.Microsoft.gradient(startColorstr='%d', endColorstr='%d', GradientType=1)",argb(@start-color),argb(@end-color))); // IE9 and down + } + + // Vertical gradient, from top to bottom + // + // Creates two color stops, start and end, by specifying a color and position for each color stop. + // Color stops are not available in IE9 and below. + .vertical(@start-color: #555; @end-color: #333; @start-percent: 0%; @end-percent: 100%) { + background-image: -webkit-linear-gradient(top, @start-color @start-percent, @end-color @end-percent); // Safari 5.1-6, Chrome 10+ + background-image: linear-gradient(to bottom, @start-color @start-percent, @end-color @end-percent); // Standard, IE10, Firefox 16+, Opera 12.10+, Safari 7+, Chrome 26+ + background-repeat: repeat-x; + filter: e(%("progid:DXImageTransform.Microsoft.gradient(startColorstr='%d', endColorstr='%d', GradientType=0)",argb(@start-color),argb(@end-color))); // IE9 and down + } + + .directional(@start-color: #555; @end-color: #333; @deg: 45deg) { + background-repeat: repeat-x; + background-image: -webkit-linear-gradient(@deg, @start-color, @end-color); // Safari 5.1-6, Chrome 10+ + background-image: linear-gradient(@deg, @start-color, @end-color); // Standard, IE10, Firefox 16+, Opera 12.10+, Safari 7+, Chrome 26+ + } + .horizontal-three-colors(@start-color: #00b3ee; @mid-color: #7a43b6; @color-stop: 50%; @end-color: #c3325f) { + background-image: -webkit-linear-gradient(left, @start-color, @mid-color @color-stop, @end-color); + background-image: linear-gradient(to right, @start-color, @mid-color @color-stop, @end-color); + background-repeat: no-repeat; + filter: e(%("progid:DXImageTransform.Microsoft.gradient(startColorstr='%d', endColorstr='%d', GradientType=1)",argb(@start-color),argb(@end-color))); // IE9 and down, gets no color-stop at all for proper fallback + } + .vertical-three-colors(@start-color: #00b3ee; @mid-color: #7a43b6; @color-stop: 50%; @end-color: #c3325f) { + background-image: -webkit-linear-gradient(@start-color, @mid-color @color-stop, @end-color); + background-image: linear-gradient(@start-color, @mid-color @color-stop, @end-color); + background-repeat: no-repeat; + filter: e(%("progid:DXImageTransform.Microsoft.gradient(startColorstr='%d', endColorstr='%d', GradientType=0)",argb(@start-color),argb(@end-color))); // IE9 and down, gets no color-stop at all for proper fallback + } + .radial(@inner-color: #555; @outer-color: #333) { + background-image: -webkit-radial-gradient(circle, @inner-color, @outer-color); + background-image: radial-gradient(circle, @inner-color, @outer-color); + background-repeat: no-repeat; + } + .striped(@color: rgba(255,255,255,.15); @angle: 45deg) { + background-image: -webkit-linear-gradient(@angle, @color 25%, transparent 25%, transparent 50%, @color 50%, @color 75%, transparent 75%, transparent); + background-image: linear-gradient(@angle, @color 25%, transparent 25%, transparent 50%, @color 50%, @color 75%, transparent 75%, transparent); + } +} + +// Reset filters for IE +// +// When you need to remove a gradient background, do not forget to use this to reset +// the IE filter for IE9 and below. +.reset-filter() { + filter: e(%("progid:DXImageTransform.Microsoft.gradient(enabled = false)")); +} + + + +// Retina images +// +// Short retina mixin for setting background-image and -size + +.img-retina(@file-1x; @file-2x; @width-1x; @height-1x) { + background-image: url("@{file-1x}"); + + @media + only screen and (-webkit-min-device-pixel-ratio: 2), + only screen and ( min--moz-device-pixel-ratio: 2), + only screen and ( -o-min-device-pixel-ratio: 2/1), + only screen and ( min-device-pixel-ratio: 2), + only screen and ( min-resolution: 192dpi), + only screen and ( min-resolution: 2dppx) { + background-image: url("@{file-2x}"); + background-size: @width-1x @height-1x; + } +} + + +// Responsive image +// +// Keep images from scaling beyond the width of their parents. + +.img-responsive(@display: block) { + display: @display; + max-width: 100%; // Part 1: Set a maximum relative to the parent + height: auto; // Part 2: Scale the height according to the width, otherwise you get stretching +} + + +// COMPONENT MIXINS +// -------------------------------------------------- + +// Horizontal dividers +// ------------------------- +// Dividers (basically an hr) within dropdowns and nav lists +.nav-divider(@color: #e5e5e5) { + height: 1px; + margin: ((@line-height-computed / 2) - 1) 0; + overflow: hidden; + background-color: @color; +} + +// Panels +// ------------------------- +.panel-variant(@border; @heading-text-color; @heading-bg-color; @heading-border) { + border-color: @border; + + & > .panel-heading { + color: @heading-text-color; + background-color: @heading-bg-color; + border-color: @heading-border; + + + .panel-collapse .panel-body { + border-top-color: @border; + } + } + & > .panel-footer { + + .panel-collapse .panel-body { + border-bottom-color: @border; + } + } +} + +// Alerts +// ------------------------- +.alert-variant(@background; @border; @text-color) { + background-color: @background; + border-color: @border; + color: @text-color; + + hr { + border-top-color: darken(@border, 5%); + } + .alert-link { + color: darken(@text-color, 10%); + } +} + +// Tables +// ------------------------- +.table-row-variant(@state; @background) { + // Exact selectors below required to override `.table-striped` and prevent + // inheritance to nested tables. + .table > thead > tr, + .table > tbody > tr, + .table > tfoot > tr { + > td.@{state}, + > th.@{state}, + &.@{state} > td, + &.@{state} > th { + background-color: @background; + } + } + + // Hover states for `.table-hover` + // Note: this is not available for cells or rows within `thead` or `tfoot`. + .table-hover > tbody > tr { + > td.@{state}:hover, + > th.@{state}:hover, + &.@{state}:hover > td, + &.@{state}:hover > th { + background-color: darken(@background, 5%); + } + } +} + +// List Groups +// ------------------------- +.list-group-item-variant(@state; @background; @color) { + .list-group-item-@{state} { + color: @color; + background-color: @background; + + a& { + color: @color; + + .list-group-item-heading { color: inherit; } + + &:hover, + &:focus { + color: @color; + background-color: darken(@background, 5%); + } + &.active, + &.active:hover, + &.active:focus { + color: #fff; + background-color: @color; + border-color: @color; + } + } + } +} + +// Button variants +// ------------------------- +// Easily pump out default styles, as well as :hover, :focus, :active, +// and disabled options for all buttons +.button-variant(@color; @background; @border) { + color: @color; + background-color: @background; + border-color: @border; + + &:hover, + &:focus, + &:active, + &.active, + .open .dropdown-toggle& { + color: @color; + background-color: darken(@background, 8%); + border-color: darken(@border, 12%); + } + &:active, + &.active, + .open .dropdown-toggle& { + background-image: none; + } + &.disabled, + &[disabled], + fieldset[disabled] & { + &, + &:hover, + &:focus, + &:active, + &.active { + background-color: @background; + border-color: @border; + } + } + + .badge { + color: @background; + background-color: @color; + } +} + +// Button sizes +// ------------------------- +.button-size(@padding-vertical; @padding-horizontal; @font-size; @line-height; @border-radius) { + padding: @padding-vertical @padding-horizontal; + font-size: @font-size; + line-height: @line-height; + border-radius: @border-radius; +} + +// Pagination +// ------------------------- +.pagination-size(@padding-vertical; @padding-horizontal; @font-size; @border-radius) { + > li { + > a, + > span { + padding: @padding-vertical @padding-horizontal; + font-size: @font-size; + } + &:first-child { + > a, + > span { + .border-left-radius(@border-radius); + } + } + &:last-child { + > a, + > span { + .border-right-radius(@border-radius); + } + } + } +} + +// Labels +// ------------------------- +.label-variant(@color) { + background-color: @color; + &[href] { + &:hover, + &:focus { + background-color: darken(@color, 10%); + } + } +} + +// Contextual backgrounds +// ------------------------- +.bg-variant(@color) { + background-color: @color; + a&:hover { + background-color: darken(@color, 10%); + } +} + +// Typography +// ------------------------- +.text-emphasis-variant(@color) { + color: @color; + a&:hover { + color: darken(@color, 10%); + } +} + +// Navbar vertical align +// ------------------------- +// Vertically center elements in the navbar. +// Example: an element has a height of 30px, so write out `.navbar-vertical-align(30px);` to calculate the appropriate top margin. +.navbar-vertical-align(@element-height) { + margin-top: ((@navbar-height - @element-height) / 2); + margin-bottom: ((@navbar-height - @element-height) / 2); +} + +// Progress bars +// ------------------------- +.progress-bar-variant(@color) { + background-color: @color; + .progress-striped & { + #gradient > .striped(); + } +} + +// Responsive utilities +// ------------------------- +// More easily include all the states for responsive-utilities.less. +.responsive-visibility() { + display: block !important; + table& { display: table; } + tr& { display: table-row !important; } + th&, + td& { display: table-cell !important; } +} + +.responsive-invisibility() { + &, + tr&, + th&, + td& { display: none !important; } +} + + +// Grid System +// ----------- + +// Centered container element +.container-fixed() { + margin-right: auto; + margin-left: auto; + padding-left: (@grid-gutter-width / 2); + padding-right: (@grid-gutter-width / 2); + &:extend(.clearfix all); +} + +// Creates a wrapper for a series of columns +.make-row(@gutter: @grid-gutter-width) { + margin-left: (@gutter / -2); + margin-right: (@gutter / -2); + &:extend(.clearfix all); +} + +// Generate the extra small columns +.make-xs-column(@columns; @gutter: @grid-gutter-width) { + position: relative; + float: left; + width: percentage((@columns / @grid-columns)); + min-height: 1px; + padding-left: (@gutter / 2); + padding-right: (@gutter / 2); +} +.make-xs-column-offset(@columns) { + @media (min-width: @screen-xs-min) { + margin-left: percentage((@columns / @grid-columns)); + } +} +.make-xs-column-push(@columns) { + @media (min-width: @screen-xs-min) { + left: percentage((@columns / @grid-columns)); + } +} +.make-xs-column-pull(@columns) { + @media (min-width: @screen-xs-min) { + right: percentage((@columns / @grid-columns)); + } +} + + +// Generate the small columns +.make-sm-column(@columns; @gutter: @grid-gutter-width) { + position: relative; + min-height: 1px; + padding-left: (@gutter / 2); + padding-right: (@gutter / 2); + + @media (min-width: @screen-sm-min) { + float: left; + width: percentage((@columns / @grid-columns)); + } +} +.make-sm-column-offset(@columns) { + @media (min-width: @screen-sm-min) { + margin-left: percentage((@columns / @grid-columns)); + } +} +.make-sm-column-push(@columns) { + @media (min-width: @screen-sm-min) { + left: percentage((@columns / @grid-columns)); + } +} +.make-sm-column-pull(@columns) { + @media (min-width: @screen-sm-min) { + right: percentage((@columns / @grid-columns)); + } +} + + +// Generate the medium columns +.make-md-column(@columns; @gutter: @grid-gutter-width) { + position: relative; + min-height: 1px; + padding-left: (@gutter / 2); + padding-right: (@gutter / 2); + + @media (min-width: @screen-md-min) { + float: left; + width: percentage((@columns / @grid-columns)); + } +} +.make-md-column-offset(@columns) { + @media (min-width: @screen-md-min) { + margin-left: percentage((@columns / @grid-columns)); + } +} +.make-md-column-push(@columns) { + @media (min-width: @screen-md-min) { + left: percentage((@columns / @grid-columns)); + } +} +.make-md-column-pull(@columns) { + @media (min-width: @screen-md-min) { + right: percentage((@columns / @grid-columns)); + } +} + + +// Generate the large columns +.make-lg-column(@columns; @gutter: @grid-gutter-width) { + position: relative; + min-height: 1px; + padding-left: (@gutter / 2); + padding-right: (@gutter / 2); + + @media (min-width: @screen-lg-min) { + float: left; + width: percentage((@columns / @grid-columns)); + } +} +.make-lg-column-offset(@columns) { + @media (min-width: @screen-lg-min) { + margin-left: percentage((@columns / @grid-columns)); + } +} +.make-lg-column-push(@columns) { + @media (min-width: @screen-lg-min) { + left: percentage((@columns / @grid-columns)); + } +} +.make-lg-column-pull(@columns) { + @media (min-width: @screen-lg-min) { + right: percentage((@columns / @grid-columns)); + } +} + + +// Framework grid generation +// +// Used only by Bootstrap to generate the correct number of grid classes given +// any value of `@grid-columns`. + +.make-grid-columns() { + // Common styles for all sizes of grid columns, widths 1-12 + .col(@index) when (@index = 1) { // initial + @item: ~".col-xs-@{index}, .col-sm-@{index}, .col-md-@{index}, .col-lg-@{index}"; + .col((@index + 1), @item); + } + .col(@index, @list) when (@index =< @grid-columns) { // general; "=<" isn't a typo + @item: ~".col-xs-@{index}, .col-sm-@{index}, .col-md-@{index}, .col-lg-@{index}"; + .col((@index + 1), ~"@{list}, @{item}"); + } + .col(@index, @list) when (@index > @grid-columns) { // terminal + @{list} { + position: relative; + // Prevent columns from collapsing when empty + min-height: 1px; + // Inner gutter via padding + padding-left: (@grid-gutter-width / 2); + padding-right: (@grid-gutter-width / 2); + } + } + .col(1); // kickstart it +} + +.make-grid-columns-float(@class) { + .col(@index) when (@index = 1) { // initial + @item: ~".col-@{class}-@{index}"; + .col((@index + 1), @item); + } + .col(@index, @list) when (@index =< @grid-columns) { // general + @item: ~".col-@{class}-@{index}"; + .col((@index + 1), ~"@{list}, @{item}"); + } + .col(@index, @list) when (@index > @grid-columns) { // terminal + @{list} { + float: left; + } + } + .col(1); // kickstart it +} + +.calc-grid(@index, @class, @type) when (@type = width) and (@index > 0) { + .col-@{class}-@{index} { + width: percentage((@index / @grid-columns)); + } +} +.calc-grid(@index, @class, @type) when (@type = push) { + .col-@{class}-push-@{index} { + left: percentage((@index / @grid-columns)); + } +} +.calc-grid(@index, @class, @type) when (@type = pull) { + .col-@{class}-pull-@{index} { + right: percentage((@index / @grid-columns)); + } +} +.calc-grid(@index, @class, @type) when (@type = offset) { + .col-@{class}-offset-@{index} { + margin-left: percentage((@index / @grid-columns)); + } +} + +// Basic looping in LESS +.make-grid(@index, @class, @type) when (@index >= 0) { + .calc-grid(@index, @class, @type); + // next iteration + .make-grid((@index - 1), @class, @type); +} + + +// Form validation states +// +// Used in forms.less to generate the form validation CSS for warnings, errors, +// and successes. + +.form-control-validation(@text-color: #555; @border-color: #ccc; @background-color: #f5f5f5) { + // Color the label and help text + .help-block, + .control-label, + .radio, + .checkbox, + .radio-inline, + .checkbox-inline { + color: @text-color; + } + // Set the border and box shadow on specific inputs to match + .form-control { + border-color: @border-color; + .box-shadow(inset 0 1px 1px rgba(0,0,0,.075)); // Redeclare so transitions work + &:focus { + border-color: darken(@border-color, 10%); + @shadow: inset 0 1px 1px rgba(0,0,0,.075), 0 0 6px lighten(@border-color, 20%); + .box-shadow(@shadow); + } + } + // Set validation states also for addons + .input-group-addon { + color: @text-color; + border-color: @border-color; + background-color: @background-color; + } + // Optional feedback icon + .form-control-feedback { + color: @text-color; + } +} + +// Form control focus state +// +// Generate a customized focus state and for any input with the specified color, +// which defaults to the `@input-focus-border` variable. +// +// We highly encourage you to not customize the default value, but instead use +// this to tweak colors on an as-needed basis. This aesthetic change is based on +// WebKit's default styles, but applicable to a wider range of browsers. Its +// usability and accessibility should be taken into account with any change. +// +// Example usage: change the default blue border and shadow to white for better +// contrast against a dark gray background. + +.form-control-focus(@color: @input-border-focus) { + @color-rgba: rgba(red(@color), green(@color), blue(@color), .6); + &:focus { + border-color: @color; + outline: 0; + .box-shadow(~"inset 0 1px 1px rgba(0,0,0,.075), 0 0 8px @{color-rgba}"); + } +} + +// Form control sizing +// +// Relative text size, padding, and border-radii changes for form controls. For +// horizontal sizing, wrap controls in the predefined grid classes. `