mirror of
https://github.com/twbs/bootstrap.git
synced 2022-11-09 12:25:43 -05:00
495 lines
16 KiB
Text
495 lines
16 KiB
Text
//
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// Mixins
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// --------------------------------------------------
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// Utilities
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// -------------------------
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// Clearfix
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// Source: http://nicolasgallagher.com/micro-clearfix-hack/
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//
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// For modern browsers
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// 1. The space content is one way to avoid an Opera bug when the
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// contenteditable attribute is included anywhere else in the document.
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// Otherwise it causes space to appear at the top and bottom of elements
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// that are clearfixed.
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// 2. The use of `table` rather than `block` is only necessary if using
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// `:before` to contain the top-margins of child elements.
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.clear_float() {
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&:before,
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&:after {
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content: " "; /* 1 */
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display: table; /* 2 */
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}
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&:after {
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clear: both;
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}
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}
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// Webkit-style focus
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.tab-focus() {
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// Default
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outline: thin dotted #333;
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// Webkit
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outline: 5px auto -webkit-focus-ring-color;
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outline-offset: -2px;
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}
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// Center-align a block level element
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.center-block() {
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display: block;
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margin-left: auto;
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margin-right: auto;
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}
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// Sizing shortcuts
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.size(@width, @height) {
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width: @width;
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height: @height;
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}
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.square(@size) {
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.size(@size, @size);
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}
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// Placeholder text
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.placeholder(@color: @input-color-placeholder) {
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&:-moz-placeholder { color: @color; } // Firefox 4-18
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&::-moz-placeholder { color: @color; } // Firefox 19+
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&:-ms-input-placeholder { color: @color; } // Internet Explorer 10+
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&::-webkit-input-placeholder { color: @color; } // Safari and Chrome
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}
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// Text overflow
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// Requires inline-block or block for proper styling
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.text-overflow() {
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overflow: hidden;
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text-overflow: ellipsis;
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white-space: nowrap;
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}
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// CSS image replacement
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// Source: https://github.com/h5bp/html5-boilerplate/commit/aa0396eae757
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.hide-text() {
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font: 0/0 a;
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color: transparent;
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text-shadow: none;
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background-color: transparent;
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border: 0;
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}
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// FONTS
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// --------------------------------------------------
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#font {
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#family {
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.serif() {
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font-family: @font-family-serif;
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}
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.sans-serif() {
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font-family: @font-family-sans-serif;
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}
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.monospace() {
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font-family: @font-family-monospace;
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}
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}
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.shorthand(@size: @font-size-base, @weight: normal, @lineHeight: @line-height-base) {
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font-size: @size;
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font-weight: @weight;
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line-height: @lineHeight;
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}
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.serif(@size: @font-size-base, @weight: normal, @lineHeight: @line-height-base) {
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#font > #family > .serif;
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#font > .shorthand(@size, @weight, @lineHeight);
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}
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.sans-serif(@size: @font-size-base, @weight: normal, @lineHeight: @line-height-base) {
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#font > #family > .sans-serif;
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#font > .shorthand(@size, @weight, @lineHeight);
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}
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.monospace(@size: @font-size-base, @weight: normal, @lineHeight: @line-height-base) {
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#font > #family > .monospace;
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#font > .shorthand(@size, @weight, @lineHeight);
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}
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}
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// FORMS
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// --------------------------------------------------
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.formFieldState(@text-color: #555, @border-color: #ccc, @background-color: #f5f5f5) {
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// Color the label text
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.control-label {
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color: @text-color;
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}
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// Set the border and box shadow on specific inputs to match
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.input-with-feedback {
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padding-right: 32px; // to account for the feedback icon
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border-color: @border-color;
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.box-shadow(inset 0 1px 1px rgba(0,0,0,.075)); // Redeclare so transitions work
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&:focus {
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border-color: darken(@border-color, 10%);
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@shadow: inset 0 1px 1px rgba(0,0,0,.075), 0 0 6px lighten(@border-color, 20%);
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.box-shadow(@shadow);
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}
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}
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}
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// CSS3 PROPERTIES
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// --------------------------------------------------
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// Single side border-radius
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.border-top-radius(@radius) {
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border-top-right-radius: @radius;
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border-top-left-radius: @radius;
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}
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.border-right-radius(@radius) {
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border-bottom-right-radius: @radius;
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border-top-right-radius: @radius;
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}
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.border-bottom-radius(@radius) {
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border-bottom-right-radius: @radius;
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border-bottom-left-radius: @radius;
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}
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.border-left-radius(@radius) {
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border-bottom-left-radius: @radius;
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border-top-left-radius: @radius;
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}
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// Drop shadows
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.box-shadow(@shadow) {
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-webkit-box-shadow: @shadow; // iOS <4.3 & Android <4.1
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box-shadow: @shadow;
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}
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// Transitions
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.transition(@transition) {
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-webkit-transition: @transition;
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-moz-transition: @transition;
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-o-transition: @transition;
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transition: @transition;
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}
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.transition-delay(@transition-delay) {
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-webkit-transition-delay: @transition-delay;
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-moz-transition-delay: @transition-delay;
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-o-transition-delay: @transition-delay;
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transition-delay: @transition-delay;
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}
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.transition-duration(@transition-duration) {
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-webkit-transition-duration: @transition-duration;
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-moz-transition-duration: @transition-duration;
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-o-transition-duration: @transition-duration;
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transition-duration: @transition-duration;
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}
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// Transformations
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.rotate(@degrees) {
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-webkit-transform: rotate(@degrees);
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-moz-transform: rotate(@degrees);
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-ms-transform: rotate(@degrees);
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-o-transform: rotate(@degrees);
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transform: rotate(@degrees);
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}
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.scale(@ratio) {
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-webkit-transform: scale(@ratio);
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-moz-transform: scale(@ratio);
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-ms-transform: scale(@ratio);
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-o-transform: scale(@ratio);
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transform: scale(@ratio);
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}
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.translate(@x, @y) {
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-webkit-transform: translate(@x, @y);
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-moz-transform: translate(@x, @y);
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-ms-transform: translate(@x, @y);
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-o-transform: translate(@x, @y);
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transform: translate(@x, @y);
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}
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.skew(@x, @y) {
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-webkit-transform: skew(@x, @y);
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-moz-transform: skew(@x, @y);
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-ms-transform: skewX(@x) skewY(@y); // See https://github.com/twitter/bootstrap/issues/4885
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-o-transform: skew(@x, @y);
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transform: skew(@x, @y);
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-webkit-backface-visibility: hidden; // See https://github.com/twitter/bootstrap/issues/5319
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}
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.translate3d(@x, @y, @z) {
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-webkit-transform: translate3d(@x, @y, @z);
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-moz-transform: translate3d(@x, @y, @z);
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-o-transform: translate3d(@x, @y, @z);
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transform: translate3d(@x, @y, @z);
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}
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// Backface visibility
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// Prevent browsers from flickering when using CSS 3D transforms.
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// Default value is `visible`, but can be changed to `hidden
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// See git pull https://github.com/dannykeane/bootstrap.git backface-visibility for examples
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.backface-visibility(@visibility){
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-webkit-backface-visibility: @visibility;
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-moz-backface-visibility: @visibility;
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backface-visibility: @visibility;
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}
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// Background clipping
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.background-clip(@clip) {
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-webkit-background-clip: @clip;
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-moz-background-clip: @clip;
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background-clip: @clip;
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}
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// Background sizing
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.background-size(@size) {
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-webkit-background-size: @size;
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-moz-background-size: @size;
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-o-background-size: @size;
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background-size: @size;
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}
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// Box sizing
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.box-sizing(@boxmodel) {
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-webkit-box-sizing: @boxmodel;
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-moz-box-sizing: @boxmodel;
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box-sizing: @boxmodel;
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}
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// User select
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// For selecting text on the page
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.user-select(@select) {
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-webkit-user-select: @select;
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-moz-user-select: @select;
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-ms-user-select: @select;
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-o-user-select: @select;
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user-select: @select;
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}
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// Resize anything
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.resizable(@direction) {
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resize: @direction; // Options: horizontal, vertical, both
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overflow: auto; // Safari fix
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}
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// CSS3 Content Columns
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.content-columns(@column-count, @column-gap: @grid-gutter-width) {
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-webkit-column-count: @column-count;
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-moz-column-count: @column-count;
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column-count: @column-count;
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-webkit-column-gap: @column-gap;
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-moz-column-gap: @column-gap;
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column-gap: @column-gap;
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}
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// Optional hyphenation
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.hyphens(@mode: auto) {
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word-wrap: break-word;
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-webkit-hyphens: @mode;
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-moz-hyphens: @mode;
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-ms-hyphens: @mode;
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-o-hyphens: @mode;
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hyphens: @mode;
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}
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// Opacity
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.opacity(@opacity) {
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opacity: @opacity / 100;
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filter: ~"alpha(opacity=@{opacity})"; // IE8
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}
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// BACKGROUNDS
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// --------------------------------------------------
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// Gradients
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#gradient {
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.horizontal(@startColor: #555, @endColor: #333) {
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background-color: @endColor;
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background-image: -moz-linear-gradient(left, @startColor, @endColor); // FF 3.6+
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background-image: -webkit-gradient(linear, 0 0, 100% 0, from(@startColor), to(@endColor)); // Safari 4+, Chrome 2+
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background-image: -webkit-linear-gradient(left, @startColor, @endColor); // Safari 5.1+, Chrome 10+
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background-image: -o-linear-gradient(left, @startColor, @endColor); // Opera 11.10
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background-image: linear-gradient(to right, @startColor, @endColor); // Standard, IE10
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background-repeat: repeat-x;
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filter: e(%("progid:DXImageTransform.Microsoft.gradient(startColorstr='%d', endColorstr='%d', GradientType=1)",argb(@startColor),argb(@endColor))); // IE9 and down
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}
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.vertical(@startColor: #555, @endColor: #333) {
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background-color: @endColor;
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background-image: -moz-linear-gradient(top, @startColor, @endColor); // FF 3.6+
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background-image: -webkit-gradient(linear, 0 0, 0 100%, from(@startColor), to(@endColor)); // Safari 4+, Chrome 2+
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background-image: -webkit-linear-gradient(top, @startColor, @endColor); // Safari 5.1+, Chrome 10+
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background-image: -o-linear-gradient(top, @startColor, @endColor); // Opera 11.10
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background-image: linear-gradient(to bottom, @startColor, @endColor); // Standard, IE10
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background-repeat: repeat-x;
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filter: e(%("progid:DXImageTransform.Microsoft.gradient(startColorstr='%d', endColorstr='%d', GradientType=0)",argb(@startColor),argb(@endColor))); // IE9 and down
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}
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.directional(@startColor: #555, @endColor: #333, @deg: 45deg) {
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background-color: @endColor;
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background-repeat: repeat-x;
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background-image: -moz-linear-gradient(@deg, @startColor, @endColor); // FF 3.6+
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background-image: -webkit-linear-gradient(@deg, @startColor, @endColor); // Safari 5.1+, Chrome 10+
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background-image: -o-linear-gradient(@deg, @startColor, @endColor); // Opera 11.10
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background-image: linear-gradient(@deg, @startColor, @endColor); // Standard, IE10
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}
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.horizontal-three-colors(@startColor: #00b3ee, @midColor: #7a43b6, @colorStop: 50%, @endColor: #c3325f) {
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background-color: mix(@midColor, @endColor, 80%);
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background-image: -webkit-gradient(left, linear, 0 0, 0 100%, from(@startColor), color-stop(@colorStop, @midColor), to(@endColor));
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background-image: -webkit-linear-gradient(left, @startColor, @midColor @colorStop, @endColor);
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background-image: -moz-linear-gradient(left, @startColor, @midColor @colorStop, @endColor);
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background-image: -o-linear-gradient(left, @startColor, @midColor @colorStop, @endColor);
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background-image: linear-gradient(to right, @startColor, @midColor @colorStop, @endColor);
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background-repeat: no-repeat;
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filter: e(%("progid:DXImageTransform.Microsoft.gradient(startColorstr='%d', endColorstr='%d', GradientType=0)",argb(@startColor),argb(@endColor))); // IE9 and down, gets no color-stop at all for proper fallback
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}
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.vertical-three-colors(@startColor: #00b3ee, @midColor: #7a43b6, @colorStop: 50%, @endColor: #c3325f) {
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background-color: mix(@midColor, @endColor, 80%);
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background-image: -webkit-gradient(linear, 0 0, 0 100%, from(@startColor), color-stop(@colorStop, @midColor), to(@endColor));
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background-image: -webkit-linear-gradient(@startColor, @midColor @colorStop, @endColor);
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background-image: -moz-linear-gradient(top, @startColor, @midColor @colorStop, @endColor);
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background-image: -o-linear-gradient(@startColor, @midColor @colorStop, @endColor);
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background-image: linear-gradient(@startColor, @midColor @colorStop, @endColor);
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background-repeat: no-repeat;
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filter: e(%("progid:DXImageTransform.Microsoft.gradient(startColorstr='%d', endColorstr='%d', GradientType=0)",argb(@startColor),argb(@endColor))); // IE9 and down, gets no color-stop at all for proper fallback
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}
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.radial(@innerColor: #555, @outerColor: #333) {
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background-color: @outerColor;
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background-image: -webkit-gradient(radial, center center, 0, center center, 460, from(@innerColor), to(@outerColor));
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background-image: -webkit-radial-gradient(circle, @innerColor, @outerColor);
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background-image: -moz-radial-gradient(circle, @innerColor, @outerColor);
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background-image: -o-radial-gradient(circle, @innerColor, @outerColor);
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background-repeat: no-repeat;
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}
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.striped(@color: #555, @angle: 45deg) {
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background-color: @color;
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background-image: -webkit-gradient(linear, 0 100%, 100% 0, color-stop(.25, rgba(255,255,255,.15)), color-stop(.25, transparent), color-stop(.5, transparent), color-stop(.5, rgba(255,255,255,.15)), color-stop(.75, rgba(255,255,255,.15)), color-stop(.75, transparent), to(transparent));
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background-image: -webkit-linear-gradient(@angle, rgba(255,255,255,.15) 25%, transparent 25%, transparent 50%, rgba(255,255,255,.15) 50%, rgba(255,255,255,.15) 75%, transparent 75%, transparent);
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background-image: -moz-linear-gradient(@angle, rgba(255,255,255,.15) 25%, transparent 25%, transparent 50%, rgba(255,255,255,.15) 50%, rgba(255,255,255,.15) 75%, transparent 75%, transparent);
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background-image: -o-linear-gradient(@angle, rgba(255,255,255,.15) 25%, transparent 25%, transparent 50%, rgba(255,255,255,.15) 50%, rgba(255,255,255,.15) 75%, transparent 75%, transparent);
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background-image: linear-gradient(@angle, rgba(255,255,255,.15) 25%, transparent 25%, transparent 50%, rgba(255,255,255,.15) 50%, rgba(255,255,255,.15) 75%, transparent 75%, transparent);
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}
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}
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// Reset filters for IE
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.reset-filter() {
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filter: e(%("progid:DXImageTransform.Microsoft.gradient(enabled = false)"));
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}
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// COMPONENT MIXINS
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// --------------------------------------------------
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// Horizontal dividers
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// -------------------------
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// Dividers (basically an hr) within dropdowns and nav lists
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.nav-divider(@top: #e5e5e5, @bottom: #fff) {
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height: 1px;
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margin: ((@line-height-base / 2) - 1) 0;
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overflow: hidden;
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background-color: @top;
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border-bottom: 1px solid @bottom;
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}
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// Button psuedo states
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// -------------------------
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// Easily pump out default styles, as well as :hover, :focus, :active,
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// and disabled options for all buttons
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.btn-pseudo-states(@background, @border) {
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background-color: @background;
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border-color: @border;
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&:hover,
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&:focus,
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&:active {
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background-color: darken(@background, 5%);
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border-color: darken(@border, 10%);
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}
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&.disabled,
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&[disabled],
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fieldset[disabled] & {
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&:hover,
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&:focus,
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&:active {
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background-color: @background;
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border-color: @border
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}
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}
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}
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// Navbar vertical align
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// -------------------------
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// Vertically center elements in the navbar.
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// Example: an element has a height of 30px, so write out `.navbarVerticalAlign(30px);` to calculate the appropriate top margin.
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.navbar-vertical-align(@element-height) {
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margin-top: (@navbar-height - @element-height) / 2;
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margin-bottom: (@navbar-height - @element-height) / 2;
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}
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// Grid System
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// -----------
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// Centered container element
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.container-fixed() {
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margin-right: auto;
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margin-left: auto;
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.clear_float();
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}
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// Make a Grid
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// Use .makeRow and .makeColumn to assign semantic layouts grid system behavior
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// .makeRow() {
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// margin-left: @grid-gutter-width * -1;
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// .clearfix();
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// }
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// .makeColumn(@columns: 1, @offset: 0) {
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// float: left;
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// margin-left: (@grid-column-width * @offset) + (@grid-gutter-width * (@offset - 1)) + (@grid-gutter-width * 2);
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// width: (@grid-column-width * @columns) + (@grid-gutter-width * (@columns - 1));
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// }
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.make-row() {
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}
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.make-column(@columns) {
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float: left;
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padding: @grid-gutter-width;
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width: percentage(@columns / @grid-columns);
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}
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.make-column-offset(@columns) {
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margin-left: percentage(@columns / @grid-columns);
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}
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// The Grid
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#grid {
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.core(@grid-column-width, @grid-gutter-width) {
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.spanX (@index) when (@index > 0) {
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.span@{index} { .span(@index); }
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.spanX(@index - 1);
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}
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.spanX(0) {}
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|
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.offsetX (@index) when (@index > 0) {
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.offset@{index} { .offset(@index); }
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.offsetX(@index - 1);
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}
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.offsetX (0) {}
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|
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// Base styles
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.offset(@columns) {
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margin-left: percentage(@columns / @grid-columns);
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}
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.span(@columns) {
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width: percentage(@columns / @grid-columns);
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}
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|
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// Generate .spanX and .offsetX
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.spanX(@grid-columns);
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|
.offsetX(@grid-columns);
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|
|
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}
|
|
}
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