// // Mixins // ————————————————–

// Utilities // ————————-

// Clearfix // Source: 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: 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 // // Note: Deprecated `.box-shadow()` as of v3.1.0 since all of Bootstrap's // supported browsers that have box shadow capabilities now support the // standard `box-shadow` property. .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. `<select>` // element gets special love because it's special, and that's a fact!

.input-size(@input-height; @padding-vertical; @padding-horizontal; @font-size; @line-height; @border-radius) {

height: @input-height;
padding: @padding-vertical @padding-horizontal;
font-size: @font-size;
line-height: @line-height;
border-radius: @border-radius;

select& {
  height: @input-height;
  line-height: @input-height;
}

textarea&,
select[multiple]& {
  height: auto;
}

}