info@54: //
info@54: // Mixins
info@54: // --------------------------------------------------
info@54: 
info@54: 
info@54: // Utilities
info@54: // -------------------------
info@54: 
info@54: // Clearfix
info@54: // Source: http://nicolasgallagher.com/micro-clearfix-hack/
info@54: //
info@54: // For modern browsers
info@54: // 1. The space content is one way to avoid an Opera bug when the
info@54: //    contenteditable attribute is included anywhere else in the document.
info@54: //    Otherwise it causes space to appear at the top and bottom of elements
info@54: //    that are clearfixed.
info@54: // 2. The use of `table` rather than `block` is only necessary if using
info@54: //    `:before` to contain the top-margins of child elements.
info@54: .clearfix() {
info@54:   &:before,
info@54:   &:after {
info@54:     content: " "; // 1
info@54:     display: table; // 2
info@54:   }
info@54:   &:after {
info@54:     clear: both;
info@54:   }
info@54: }
info@54: 
info@54: // WebKit-style focus
info@54: .tab-focus() {
info@54:   // Default
info@54:   outline: thin dotted;
info@54:   // WebKit
info@54:   outline: 5px auto -webkit-focus-ring-color;
info@54:   outline-offset: -2px;
info@54: }
info@54: 
info@54: // Center-align a block level element
info@54: .center-block() {
info@54:   display: block;
info@54:   margin-left: auto;
info@54:   margin-right: auto;
info@54: }
info@54: 
info@54: // Sizing shortcuts
info@54: .size(@width; @height) {
info@54:   width: @width;
info@54:   height: @height;
info@54: }
info@54: .square(@size) {
info@54:   .size(@size; @size);
info@54: }
info@54: 
info@54: // Placeholder text
info@54: .placeholder(@color: @input-color-placeholder) {
info@54:   &:-moz-placeholder            { color: @color; } // Firefox 4-18
info@54:   &::-moz-placeholder           { color: @color;   // Firefox 19+
info@54:                                   opacity: 1; } // See https://github.com/twbs/bootstrap/pull/11526
info@54:   &:-ms-input-placeholder       { color: @color; } // Internet Explorer 10+
info@54:   &::-webkit-input-placeholder  { color: @color; } // Safari and Chrome
info@54: }
info@54: 
info@54: // Text overflow
info@54: // Requires inline-block or block for proper styling
info@54: .text-overflow() {
info@54:   overflow: hidden;
info@54:   text-overflow: ellipsis;
info@54:   white-space: nowrap;
info@54: }
info@54: 
info@54: // CSS image replacement
info@54: //
info@54: // Heads up! v3 launched with with only `.hide-text()`, but per our pattern for
info@54: // mixins being reused as classes with the same name, this doesn't hold up. As
info@54: // of v3.0.1 we have added `.text-hide()` and deprecated `.hide-text()`. Note
info@54: // that we cannot chain the mixins together in Less, so they are repeated.
info@54: //
info@54: // Source: https://github.com/h5bp/html5-boilerplate/commit/aa0396eae757
info@54: 
info@54: // Deprecated as of v3.0.1 (will be removed in v4)
info@54: .hide-text() {
info@54:   font: ~"0/0" a;
info@54:   color: transparent;
info@54:   text-shadow: none;
info@54:   background-color: transparent;
info@54:   border: 0;
info@54: }
info@54: // New mixin to use as of v3.0.1
info@54: .text-hide() {
info@54:   .hide-text();
info@54: }
info@54: 
info@54: 
info@54: 
info@54: // CSS3 PROPERTIES
info@54: // --------------------------------------------------
info@54: 
info@54: // Single side border-radius
info@54: .border-top-radius(@radius) {
info@54:   border-top-right-radius: @radius;
info@54:    border-top-left-radius: @radius;
info@54: }
info@54: .border-right-radius(@radius) {
info@54:   border-bottom-right-radius: @radius;
info@54:      border-top-right-radius: @radius;
info@54: }
info@54: .border-bottom-radius(@radius) {
info@54:   border-bottom-right-radius: @radius;
info@54:    border-bottom-left-radius: @radius;
info@54: }
info@54: .border-left-radius(@radius) {
info@54:   border-bottom-left-radius: @radius;
info@54:      border-top-left-radius: @radius;
info@54: }
info@54: 
info@54: // Drop shadows
info@54: .box-shadow(@shadow) {
info@54:   -webkit-box-shadow: @shadow; // iOS <4.3 & Android <4.1
info@54:           box-shadow: @shadow;
info@54: }
info@54: 
info@54: // Transitions
info@54: .transition(@transition) {
info@54:   -webkit-transition: @transition;
info@54:           transition: @transition;
info@54: }
info@54: .transition-property(@transition-property) {
info@54:   -webkit-transition-property: @transition-property;
info@54:           transition-property: @transition-property;
info@54: }
info@54: .transition-delay(@transition-delay) {
info@54:   -webkit-transition-delay: @transition-delay;
info@54:           transition-delay: @transition-delay;
info@54: }
info@54: .transition-duration(@transition-duration) {
info@54:   -webkit-transition-duration: @transition-duration;
info@54:           transition-duration: @transition-duration;
info@54: }
info@54: .transition-transform(@transition) {
info@54:   -webkit-transition: -webkit-transform @transition;
info@54:      -moz-transition: -moz-transform @transition;
info@54:        -o-transition: -o-transform @transition;
info@54:           transition: transform @transition;
info@54: }
info@54: 
info@54: // Transformations
info@54: .rotate(@degrees) {
info@54:   -webkit-transform: rotate(@degrees);
info@54:       -ms-transform: rotate(@degrees); // IE9+
info@54:           transform: rotate(@degrees);
info@54: }
info@54: .scale(@ratio) {
info@54:   -webkit-transform: scale(@ratio);
info@54:       -ms-transform: scale(@ratio); // IE9+
info@54:           transform: scale(@ratio);
info@54: }
info@54: .translate(@x; @y) {
info@54:   -webkit-transform: translate(@x, @y);
info@54:       -ms-transform: translate(@x, @y); // IE9+
info@54:           transform: translate(@x, @y);
info@54: }
info@54: .skew(@x; @y) {
info@54:   -webkit-transform: skew(@x, @y);
info@54:       -ms-transform: skewX(@x) skewY(@y); // See https://github.com/twbs/bootstrap/issues/4885; IE9+
info@54:           transform: skew(@x, @y);
info@54: }
info@54: .translate3d(@x; @y; @z) {
info@54:   -webkit-transform: translate3d(@x, @y, @z);
info@54:           transform: translate3d(@x, @y, @z);
info@54: }
info@54: 
info@54: .rotateX(@degrees) {
info@54:   -webkit-transform: rotateX(@degrees);
info@54:       -ms-transform: rotateX(@degrees); // IE9+
info@54:           transform: rotateX(@degrees);
info@54: }
info@54: .rotateY(@degrees) {
info@54:   -webkit-transform: rotateY(@degrees);
info@54:       -ms-transform: rotateY(@degrees); // IE9+
info@54:           transform: rotateY(@degrees);
info@54: }
info@54: .perspective(@perspective) {
info@54:   -webkit-perspective: @perspective;
info@54:      -moz-perspective: @perspective;
info@54:           perspective: @perspective;
info@54: }
info@54: .perspective-origin(@perspective) {
info@54:   -webkit-perspective-origin: @perspective;
info@54:      -moz-perspective-origin: @perspective;
info@54:           perspective-origin: @perspective;
info@54: }
info@54: .transform-origin(@origin) {
info@54:   -webkit-transform-origin: @origin;
info@54:      -moz-transform-origin: @origin;
info@54:           transform-origin: @origin;
info@54: }
info@54: 
info@54: // Animations
info@54: .animation(@animation) {
info@54:   -webkit-animation: @animation;
info@54:           animation: @animation;
info@54: }
info@54: 
info@54: // Backface visibility
info@54: // Prevent browsers from flickering when using CSS 3D transforms.
info@54: // Default value is `visible`, but can be changed to `hidden`
info@54: .backface-visibility(@visibility){
info@54:   -webkit-backface-visibility: @visibility;
info@54:      -moz-backface-visibility: @visibility;
info@54:           backface-visibility: @visibility;
info@54: }
info@54: 
info@54: // Box sizing
info@54: .box-sizing(@boxmodel) {
info@54:   -webkit-box-sizing: @boxmodel;
info@54:      -moz-box-sizing: @boxmodel;
info@54:           box-sizing: @boxmodel;
info@54: }
info@54: 
info@54: // User select
info@54: // For selecting text on the page
info@54: .user-select(@select) {
info@54:   -webkit-user-select: @select;
info@54:      -moz-user-select: @select;
info@54:       -ms-user-select: @select; // IE10+
info@54:        -o-user-select: @select;
info@54:           user-select: @select;
info@54: }
info@54: 
info@54: // Resize anything
info@54: .resizable(@direction) {
info@54:   resize: @direction; // Options: horizontal, vertical, both
info@54:   overflow: auto; // Safari fix
info@54: }
info@54: 
info@54: // CSS3 Content Columns
info@54: .content-columns(@column-count; @column-gap: @grid-gutter-width) {
info@54:   -webkit-column-count: @column-count;
info@54:      -moz-column-count: @column-count;
info@54:           column-count: @column-count;
info@54:   -webkit-column-gap: @column-gap;
info@54:      -moz-column-gap: @column-gap;
info@54:           column-gap: @column-gap;
info@54: }
info@54: 
info@54: // Optional hyphenation
info@54: .hyphens(@mode: auto) {
info@54:   word-wrap: break-word;
info@54:   -webkit-hyphens: @mode;
info@54:      -moz-hyphens: @mode;
info@54:       -ms-hyphens: @mode; // IE10+
info@54:        -o-hyphens: @mode;
info@54:           hyphens: @mode;
info@54: }
info@54: 
info@54: // Opacity
info@54: .opacity(@opacity) {
info@54:   opacity: @opacity;
info@54:   // IE8 filter
info@54:   @opacity-ie: (@opacity * 100);
info@54:   filter: ~"alpha(opacity=@{opacity-ie})";
info@54: }
info@54: 
info@54: 
info@54: 
info@54: // GRADIENTS
info@54: // --------------------------------------------------
info@54: 
info@54: #gradient {
info@54: 
info@54:   // Horizontal gradient, from left to right
info@54:   //
info@54:   // Creates two color stops, start and end, by specifying a color and position for each color stop.
info@54:   // Color stops are not available in IE9 and below.
info@54:   .horizontal(@start-color: #555; @end-color: #333; @start-percent: 0%; @end-percent: 100%) {
info@54:     background-image: -webkit-linear-gradient(left, color-stop(@start-color @start-percent), color-stop(@end-color @end-percent)); // Safari 5.1-6, Chrome 10+
info@54:     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+
info@54:     background-repeat: repeat-x;
info@54:     filter: e(%("progid:DXImageTransform.Microsoft.gradient(startColorstr='%d', endColorstr='%d', GradientType=1)",argb(@start-color),argb(@end-color))); // IE9 and down
info@54:   }
info@54: 
info@54:   // Vertical gradient, from top to bottom
info@54:   //
info@54:   // Creates two color stops, start and end, by specifying a color and position for each color stop.
info@54:   // Color stops are not available in IE9 and below.
info@54:   .vertical(@start-color: #555; @end-color: #333; @start-percent: 0%; @end-percent: 100%) {
info@54:     background-image: -webkit-linear-gradient(top, @start-color @start-percent, @end-color @end-percent);  // Safari 5.1-6, Chrome 10+
info@54:     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+
info@54:     background-repeat: repeat-x;
info@54:     filter: e(%("progid:DXImageTransform.Microsoft.gradient(startColorstr='%d', endColorstr='%d', GradientType=0)",argb(@start-color),argb(@end-color))); // IE9 and down
info@54:   }
info@54: 
info@54:   .directional(@start-color: #555; @end-color: #333; @deg: 45deg) {
info@54:     background-repeat: repeat-x;
info@54:     background-image: -webkit-linear-gradient(@deg, @start-color, @end-color); // Safari 5.1-6, Chrome 10+
info@54:     background-image: linear-gradient(@deg, @start-color, @end-color); // Standard, IE10, Firefox 16+, Opera 12.10+, Safari 7+, Chrome 26+
info@54:   }
info@54:   .horizontal-three-colors(@start-color: #00b3ee; @mid-color: #7a43b6; @color-stop: 50%; @end-color: #c3325f) {
info@54:     background-image: -webkit-linear-gradient(left, @start-color, @mid-color @color-stop, @end-color);
info@54:     background-image: linear-gradient(to right, @start-color, @mid-color @color-stop, @end-color);
info@54:     background-repeat: no-repeat;
info@54:     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
info@54:   }
info@54:   .vertical-three-colors(@start-color: #00b3ee; @mid-color: #7a43b6; @color-stop: 50%; @end-color: #c3325f) {
info@54:     background-image: -webkit-linear-gradient(@start-color, @mid-color @color-stop, @end-color);
info@54:     background-image: linear-gradient(@start-color, @mid-color @color-stop, @end-color);
info@54:     background-repeat: no-repeat;
info@54:     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
info@54:   }
info@54:   .radial(@inner-color: #555; @outer-color: #333) {
info@54:     background-image: -webkit-radial-gradient(circle, @inner-color, @outer-color);
info@54:     background-image: radial-gradient(circle, @inner-color, @outer-color);
info@54:     background-repeat: no-repeat;
info@54:   }
info@54:   .striped(@color: rgba(255,255,255,.15); @angle: 45deg) {
info@54:     background-image: -webkit-linear-gradient(@angle, @color 25%, transparent 25%, transparent 50%, @color 50%, @color 75%, transparent 75%, transparent);
info@54:     background-image: linear-gradient(@angle, @color 25%, transparent 25%, transparent 50%, @color 50%, @color 75%, transparent 75%, transparent);
info@54:   }
info@54: }
info@54: 
info@54: // Reset filters for IE
info@54: //
info@54: // When you need to remove a gradient background, do not forget to use this to reset
info@54: // the IE filter for IE9 and below.
info@54: .reset-filter() {
info@54:   filter: e(%("progid:DXImageTransform.Microsoft.gradient(enabled = false)"));
info@54: }
info@54: 
info@54: 
info@54: 
info@54: // Retina images
info@54: //
info@54: // Short retina mixin for setting background-image and -size
info@54: 
info@54: .img-retina(@file-1x; @file-2x; @width-1x; @height-1x) {
info@54:   background-image: url("@{file-1x}");
info@54: 
info@54:   @media
info@54:   only screen and (-webkit-min-device-pixel-ratio: 2),
info@54:   only screen and (   min--moz-device-pixel-ratio: 2),
info@54:   only screen and (     -o-min-device-pixel-ratio: 2/1),
info@54:   only screen and (        min-device-pixel-ratio: 2),
info@54:   only screen and (                min-resolution: 192dpi),
info@54:   only screen and (                min-resolution: 2dppx) {
info@54:     background-image: url("@{file-2x}");
info@54:     background-size: @width-1x @height-1x;
info@54:   }
info@54: }
info@54: 
info@54: 
info@54: // Responsive image
info@54: //
info@54: // Keep images from scaling beyond the width of their parents.
info@54: 
info@54: .img-responsive(@display: block;) {
info@54:   display: @display;
info@54:   max-width: 100%; // Part 1: Set a maximum relative to the parent
info@54:   height: auto; // Part 2: Scale the height according to the width, otherwise you get stretching
info@54: }
info@54: 
info@54: 
info@54: // COMPONENT MIXINS
info@54: // --------------------------------------------------
info@54: 
info@54: // Horizontal dividers
info@54: // -------------------------
info@54: // Dividers (basically an hr) within dropdowns and nav lists
info@54: .nav-divider(@color: #e5e5e5) {
info@54:   height: 1px;
info@54:   margin: ((@line-height-computed / 2) - 1) 0;
info@54:   overflow: hidden;
info@54:   background-color: @color;
info@54: }
info@54: 
info@54: // Panels
info@54: // -------------------------
info@54: .panel-variant(@border; @heading-text-color; @heading-bg-color; @heading-border) {
info@54:   border-color: @border;
info@54: 
info@54:   & > .panel-heading {
info@54:     color: @heading-text-color;
info@54:     background-color: @heading-bg-color;
info@54:     border-color: @heading-border;
info@54: 
info@54:     + .panel-collapse .panel-body {
info@54:       border-top-color: @border;
info@54:     }
info@54:   }
info@54:   & > .panel-footer {
info@54:     + .panel-collapse .panel-body {
info@54:       border-bottom-color: @border;
info@54:     }
info@54:   }
info@54: }
info@54: 
info@54: // Alerts
info@54: // -------------------------
info@54: .alert-variant(@background; @border; @text-color) {
info@54:   background-color: @background;
info@54:   border-color: @border;
info@54:   color: @text-color;
info@54: 
info@54:   hr {
info@54:     border-top-color: darken(@border, 5%);
info@54:   }
info@54:   .alert-link {
info@54:     color: darken(@text-color, 10%);
info@54:   }
info@54: }
info@54: 
info@54: // Tables
info@54: // -------------------------
info@54: .table-row-variant(@state; @background) {
info@54:   // Exact selectors below required to override `.table-striped` and prevent
info@54:   // inheritance to nested tables.
info@54:   .table {
info@54:     > thead,
info@54:     > tbody,
info@54:     > tfoot {
info@54:       > tr > .@{state},
info@54:       > .@{state} > td,
info@54:       > .@{state} > th {
info@54:         background-color: @background;
info@54:       }
info@54:     }
info@54:   }
info@54: 
info@54:   // Hover states for `.table-hover`
info@54:   // Note: this is not available for cells or rows within `thead` or `tfoot`.
info@54:   .table-hover > tbody {
info@54:     > tr > .@{state}:hover,
info@54:     > .@{state}:hover > td,
info@54:     > .@{state}:hover > th {
info@54:       background-color: darken(@background, 5%);
info@54:     }
info@54:   }
info@54: }
info@54: 
info@54: // Button variants
info@54: // -------------------------
info@54: // Easily pump out default styles, as well as :hover, :focus, :active,
info@54: // and disabled options for all buttons
info@54: .button-variant(@color; @background; @border) {
info@54:   color: @color;
info@54:   background-color: @background;
info@54:   border-color: @border;
info@54: 
info@54:   &:hover,
info@54:   &:focus,
info@54:   &:active,
info@54:   &.active,
info@54:   .open .dropdown-toggle& {
info@54:     color: @color;
info@54:     background-color: darken(@background, 8%);
info@54:         border-color: darken(@border, 12%);
info@54:   }
info@54:   &:active,
info@54:   &.active,
info@54:   .open .dropdown-toggle& {
info@54:     background-image: none;
info@54:   }
info@54:   &.disabled,
info@54:   &[disabled],
info@54:   fieldset[disabled] & {
info@54:     &,
info@54:     &:hover,
info@54:     &:focus,
info@54:     &:active,
info@54:     &.active {
info@54:       background-color: @background;
info@54:           border-color: @border;
info@54:     }
info@54:   }
info@54: 
info@54:   .badge {
info@54:     color: @background;
info@54:     background-color: #fff;
info@54:   }
info@54: }
info@54: 
info@54: // Button sizes
info@54: // -------------------------
info@54: .button-size(@padding-vertical; @padding-horizontal; @font-size; @line-height; @border-radius) {
info@54:   padding: @padding-vertical @padding-horizontal;
info@54:   font-size: @font-size;
info@54:   line-height: @line-height;
info@54:   border-radius: @border-radius;
info@54: }
info@54: 
info@54: // Pagination
info@54: // -------------------------
info@54: .pagination-size(@padding-vertical; @padding-horizontal; @font-size; @border-radius) {
info@54:   > li {
info@54:     > a,
info@54:     > span {
info@54:       padding: @padding-vertical @padding-horizontal;
info@54:       font-size: @font-size;
info@54:     }
info@54:     &:first-child {
info@54:       > a,
info@54:       > span {
info@54:         .border-left-radius(@border-radius);
info@54:       }
info@54:     }
info@54:     &:last-child {
info@54:       > a,
info@54:       > span {
info@54:         .border-right-radius(@border-radius);
info@54:       }
info@54:     }
info@54:   }
info@54: }
info@54: 
info@54: // Labels
info@54: // -------------------------
info@54: .label-variant(@color) {
info@54:   background-color: @color;
info@54:   &[href] {
info@54:     &:hover,
info@54:     &:focus {
info@54:       background-color: darken(@color, 10%);
info@54:     }
info@54:   }
info@54: }
info@54: 
info@54: // Navbar vertical align
info@54: // -------------------------
info@54: // Vertically center elements in the navbar.
info@54: // Example: an element has a height of 30px, so write out `.navbar-vertical-align(30px);` to calculate the appropriate top margin.
info@54: .navbar-vertical-align(@element-height) {
info@54:   margin-top: ((@navbar-height - @element-height) / 2);
info@54:   margin-bottom: ((@navbar-height - @element-height) / 2);
info@54: }
info@54: 
info@54: // Progress bars
info@54: // -------------------------
info@54: .progress-bar-variant(@color) {
info@54:   background-color: @color;
info@54:   .progress-striped & {
info@54:     #gradient > .striped();
info@54:   }
info@54: }
info@54: 
info@54: // Responsive utilities
info@54: // -------------------------
info@54: // More easily include all the states for responsive-utilities.less.
info@54: .responsive-visibility() {
info@54:   display: block !important;
info@54:   table&  { display: table; }
info@54:   tr&     { display: table-row !important; }
info@54:   th&,
info@54:   td&     { display: table-cell !important; }
info@54: }
info@54: 
info@54: .responsive-invisibility() {
info@54:     &,
info@54:   tr&,
info@54:   th&,
info@54:   td& { display: none !important; }
info@54: }
info@54: 
info@54: 
info@54: // Grid System
info@54: // -----------
info@54: 
info@54: // Centered container element
info@54: .container-fixed() {
info@54:   margin-right: auto;
info@54:   margin-left: auto;
info@54:   padding-left:  (@grid-gutter-width / 2);
info@54:   padding-right: (@grid-gutter-width / 2);
info@54:   .clearfix();
info@54: }
info@54: 
info@54: // Creates a wrapper for a series of columns
info@54: .make-row(@gutter: @grid-gutter-width) {
info@54:   margin-left:  (@gutter / -2);
info@54:   margin-right: (@gutter / -2);
info@54:   .clearfix();
info@54: }
info@54: 
info@54: // Generate the extra small columns
info@54: .make-xs-column(@columns; @gutter: @grid-gutter-width) {
info@54:   position: relative;
info@54:   float: left;
info@54:   width: percentage((@columns / @grid-columns));
info@54:   // Prevent columns from collapsing when empty
info@54:   min-height: 1px;
info@54:   // Inner gutter via padding
info@54:   padding-left:  (@gutter / 2);
info@54:   padding-right: (@gutter / 2);
info@54: }
info@54: 
info@54: // Generate the small columns
info@54: .make-sm-column(@columns; @gutter: @grid-gutter-width) {
info@54:   position: relative;
info@54:   // Prevent columns from collapsing when empty
info@54:   min-height: 1px;
info@54:   // Inner gutter via padding
info@54:   padding-left:  (@gutter / 2);
info@54:   padding-right: (@gutter / 2);
info@54: 
info@54:   // Calculate width based on number of columns available
info@54:   @media (min-width: @screen-sm-min) {
info@54:     float: left;
info@54:     width: percentage((@columns / @grid-columns));
info@54:   }
info@54: }
info@54: 
info@54: // Generate the small column offsets
info@54: .make-sm-column-offset(@columns) {
info@54:   @media (min-width: @screen-sm-min) {
info@54:     margin-left: percentage((@columns / @grid-columns));
info@54:   }
info@54: }
info@54: .make-sm-column-push(@columns) {
info@54:   @media (min-width: @screen-sm-min) {
info@54:     left: percentage((@columns / @grid-columns));
info@54:   }
info@54: }
info@54: .make-sm-column-pull(@columns) {
info@54:   @media (min-width: @screen-sm-min) {
info@54:     right: percentage((@columns / @grid-columns));
info@54:   }
info@54: }
info@54: 
info@54: // Generate the medium columns
info@54: .make-md-column(@columns; @gutter: @grid-gutter-width) {
info@54:   position: relative;
info@54:   // Prevent columns from collapsing when empty
info@54:   min-height: 1px;
info@54:   // Inner gutter via padding
info@54:   padding-left:  (@gutter / 2);
info@54:   padding-right: (@gutter / 2);
info@54: 
info@54:   // Calculate width based on number of columns available
info@54:   @media (min-width: @screen-md-min) {
info@54:     float: left;
info@54:     width: percentage((@columns / @grid-columns));
info@54:   }
info@54: }
info@54: 
info@54: // Generate the medium column offsets
info@54: .make-md-column-offset(@columns) {
info@54:   @media (min-width: @screen-md-min) {
info@54:     margin-left: percentage((@columns / @grid-columns));
info@54:   }
info@54: }
info@54: .make-md-column-push(@columns) {
info@54:   @media (min-width: @screen-md) {
info@54:     left: percentage((@columns / @grid-columns));
info@54:   }
info@54: }
info@54: .make-md-column-pull(@columns) {
info@54:   @media (min-width: @screen-md-min) {
info@54:     right: percentage((@columns / @grid-columns));
info@54:   }
info@54: }
info@54: 
info@54: // Generate the large columns
info@54: .make-lg-column(@columns; @gutter: @grid-gutter-width) {
info@54:   position: relative;
info@54:   // Prevent columns from collapsing when empty
info@54:   min-height: 1px;
info@54:   // Inner gutter via padding
info@54:   padding-left:  (@gutter / 2);
info@54:   padding-right: (@gutter / 2);
info@54: 
info@54:   // Calculate width based on number of columns available
info@54:   @media (min-width: @screen-lg-min) {
info@54:     float: left;
info@54:     width: percentage((@columns / @grid-columns));
info@54:   }
info@54: }
info@54: 
info@54: // Generate the large column offsets
info@54: .make-lg-column-offset(@columns) {
info@54:   @media (min-width: @screen-lg-min) {
info@54:     margin-left: percentage((@columns / @grid-columns));
info@54:   }
info@54: }
info@54: .make-lg-column-push(@columns) {
info@54:   @media (min-width: @screen-lg-min) {
info@54:     left: percentage((@columns / @grid-columns));
info@54:   }
info@54: }
info@54: .make-lg-column-pull(@columns) {
info@54:   @media (min-width: @screen-lg-min) {
info@54:     right: percentage((@columns / @grid-columns));
info@54:   }
info@54: }
info@54: 
info@54: 
info@54: // Framework grid generation
info@54: //
info@54: // Used only by Bootstrap to generate the correct number of grid classes given
info@54: // any value of `@grid-columns`.
info@54: 
info@54: .make-grid-columns() {
info@54:   // Common styles for all sizes of grid columns, widths 1-12
info@54:   .col(@index) when (@index = 1) { // initial
info@54:     @item: ~".col-xs-@{index}, .col-sm-@{index}, .col-md-@{index}, .col-lg-@{index}";
info@54:     .col(@index + 1, @item);
info@54:   }
info@54:   .col(@index, @list) when (@index =< @grid-columns) { // general; "=<" isn't a typo
info@54:     @item: ~".col-xs-@{index}, .col-sm-@{index}, .col-md-@{index}, .col-lg-@{index}";
info@54:     .col(@index + 1, ~"@{list}, @{item}");
info@54:   }
info@54:   .col(@index, @list) when (@index > @grid-columns) { // terminal
info@54:     @{list} {
info@54:       position: relative;
info@54:       // Prevent columns from collapsing when empty
info@54:       min-height: 1px;
info@54:       // Inner gutter via padding
info@54:       padding-left:  (@grid-gutter-width / 2);
info@54:       padding-right: (@grid-gutter-width / 2);
info@54:     }
info@54:   }
info@54:   .col(1); // kickstart it
info@54: }
info@54: 
info@54: .make-grid-columns-float(@class) {
info@54:   .col(@index) when (@index = 1) { // initial
info@54:     @item: ~".col-@{class}-@{index}";
info@54:     .col(@index + 1, @item);
info@54:   }
info@54:   .col(@index, @list) when (@index =< @grid-columns) { // general
info@54:     @item: ~".col-@{class}-@{index}";
info@54:     .col(@index + 1, ~"@{list}, @{item}");
info@54:   }
info@54:   .col(@index, @list) when (@index > @grid-columns) { // terminal
info@54:     @{list} {
info@54:       float: left;
info@54:     }
info@54:   }
info@54:   .col(1); // kickstart it
info@54: }
info@54: 
info@54: .calc-grid(@index, @class, @type) when (@type = width) and (@index > 0) {
info@54:   .col-@{class}-@{index} {
info@54:     width: percentage((@index / @grid-columns));
info@54:   }
info@54: }
info@54: .calc-grid(@index, @class, @type) when (@type = push) {
info@54:   .col-@{class}-push-@{index} {
info@54:     left: percentage((@index / @grid-columns));
info@54:   }
info@54: }
info@54: .calc-grid(@index, @class, @type) when (@type = pull) {
info@54:   .col-@{class}-pull-@{index} {
info@54:     right: percentage((@index / @grid-columns));
info@54:   }
info@54: }
info@54: .calc-grid(@index, @class, @type) when (@type = offset) {
info@54:   .col-@{class}-offset-@{index} {
info@54:     margin-left: percentage((@index / @grid-columns));
info@54:   }
info@54: }
info@54: 
info@54: // Basic looping in LESS
info@54: .make-grid(@index, @class, @type) when (@index >= 0) {
info@54:   .calc-grid(@index, @class, @type);
info@54:   // next iteration
info@54:   .make-grid(@index - 1, @class, @type);
info@54: }
info@54: 
info@54: 
info@54: // Form validation states
info@54: //
info@54: // Used in forms.less to generate the form validation CSS for warnings, errors,
info@54: // and successes.
info@54: 
info@54: .form-control-validation(@text-color: #555; @border-color: #ccc; @background-color: #f5f5f5) {
info@54:   // Color the label and help text
info@54:   .help-block,
info@54:   .control-label,
info@54:   .radio,
info@54:   .checkbox,
info@54:   .radio-inline,
info@54:   .checkbox-inline  {
info@54:     color: @text-color;
info@54:   }
info@54:   // Set the border and box shadow on specific inputs to match
info@54:   .form-control {
info@54:     border-color: @border-color;
info@54:     .box-shadow(inset 0 1px 1px rgba(0,0,0,.075)); // Redeclare so transitions work
info@54:     &:focus {
info@54:       border-color: darken(@border-color, 10%);
info@54:       @shadow: inset 0 1px 1px rgba(0,0,0,.075), 0 0 6px lighten(@border-color, 20%);
info@54:       .box-shadow(@shadow);
info@54:     }
info@54:   }
info@54:   // Set validation states also for addons
info@54:   .input-group-addon {
info@54:     color: @text-color;
info@54:     border-color: @border-color;
info@54:     background-color: @background-color;
info@54:   }
info@54: }
info@54: 
info@54: // Form control focus state
info@54: //
info@54: // Generate a customized focus state and for any input with the specified color,
info@54: // which defaults to the `@input-focus-border` variable.
info@54: //
info@54: // We highly encourage you to not customize the default value, but instead use
info@54: // this to tweak colors on an as-needed basis. This aesthetic change is based on
info@54: // WebKit's default styles, but applicable to a wider range of browsers. Its
info@54: // usability and accessibility should be taken into account with any change.
info@54: //
info@54: // Example usage: change the default blue border and shadow to white for better
info@54: // contrast against a dark gray background.
info@54: 
info@54: .form-control-focus(@color: @input-border-focus) {
info@54:   @color-rgba: rgba(red(@color), green(@color), blue(@color), .6);
info@54:   &:focus {
info@54:     border-color: @color;
info@54:     outline: 0;
info@54:     .box-shadow(~"inset 0 1px 1px rgba(0,0,0,.075), 0 0 8px @{color-rgba}");
info@54:   }
info@54: }
info@54: 
info@54: // Form control sizing
info@54: //
info@54: // Relative text size, padding, and border-radii changes for form controls. For
info@54: // horizontal sizing, wrap controls in the predefined grid classes. `<select>`
info@54: // element gets special love because it's special, and that's a fact!
info@54: 
info@54: .input-size(@input-height; @padding-vertical; @padding-horizontal; @font-size; @line-height; @border-radius) {
info@54:   height: @input-height;
info@54:   padding: @padding-vertical @padding-horizontal;
info@54:   font-size: @font-size;
info@54:   line-height: @line-height;
info@54:   border-radius: @border-radius;
info@54: 
info@54:   select& {
info@54:     height: @input-height;
info@54:     line-height: @input-height;
info@54:   }
info@54: 
info@54:   textarea& {
info@54:     height: auto;
info@54:   }
info@54: }