Origin commit

assets/scss/bootstrap/mixins/_clearfix.scss

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+// Clearfix
+//
+// 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.
+//
+// Source: http://nicolasgallagher.com/micro-clearfix-hack/
+
+@mixin clearfix() {
+  &:before,
+  &:after {
+    content: " "; // 1
+    display: table; // 2
+  }
+  &:after {
+    clear: both;
+  }
+}

assets/scss/bootstrap/mixins/_grid-framework.scss

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+// Framework grid generation
+//
+// Used only by Bootstrap to generate the correct number of grid classes given
+// any value of `$grid-columns`.
+
+// [converter] This is defined recursively in LESS, but Sass supports real loops
+@mixin make-grid-columns($class,$i: 1, $list: ".col-#{$class}-#{$i}") {
+  @for $i from (1 + 1) through $grid-columns {
+    $list: "#{$list}, .col-#{$class}-#{$i}";
+  }
+  #{$list} {
+    position: relative;
+    // Prevent columns from collapsing when empty
+    min-height: 1px;
+    // Inner gutter via padding
+    padding-left:  ceil(($grid-gutter-width / 2));
+    padding-right: floor(($grid-gutter-width / 2));
+  }
+}
+
+
+// [converter] This is defined recursively in LESS, but Sass supports real loops
+@mixin float-grid-columns($class, $i: 1, $list: ".col-#{$class}-#{$i}") {
+  @for $i from (1 + 1) through $grid-columns {
+    $list: "#{$list}, .col-#{$class}-#{$i}";
+  }
+  #{$list} {
+    float: left;
+  }
+}
+
+
+@mixin calc-grid-column($index, $class, $type) {
+  @if ($type == width) and ($index > 0) {
+    .col-#{$class}-#{$index} {
+      width: percentage(($index / $grid-columns));
+    }
+  }
+  @if ($type == push) and ($index > 0) {
+    .col-#{$class}-push-#{$index} {
+      left: percentage(($index / $grid-columns));
+    }
+  }
+  @if ($type == push) and ($index == 0) {
+    .col-#{$class}-push-0 {
+      left: auto;
+    }
+  }
+  @if ($type == pull) and ($index > 0) {
+    .col-#{$class}-pull-#{$index} {
+      right: percentage(($index / $grid-columns));
+    }
+  }
+  @if ($type == pull) and ($index == 0) {
+    .col-#{$class}-pull-0 {
+      right: auto;
+    }
+  }
+  @if ($type == offset) {
+    .col-#{$class}-offset-#{$index} {
+      margin-left: percentage(($index / $grid-columns));
+    }
+  }
+}
+
+// [converter] This is defined recursively in LESS, but Sass supports real loops
+@mixin loop-grid-columns($columns, $class, $type) {
+  @for $i from 0 through $columns {
+    @include calc-grid-column($i, $class, $type);
+  }
+}
+
+
+// Create grid for specific class
+@mixin make-grid($class) {
+  @include float-grid-columns($class);
+  @include loop-grid-columns($grid-columns, $class, width);
+
+}

assets/scss/bootstrap/mixins/_grid.scss

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+// Grid system
+//
+// Generate semantic grid columns with these mixins.
+
+// Centered container element
+@mixin container-fixed($gutter: $grid-gutter-width) {
+  margin-right: auto;
+  margin-left: auto;
+  padding-left:  ($gutter / 2);
+  padding-right: ($gutter / 2);
+  @include clearfix;
+}
+
+// Creates a wrapper for a series of columns
+@mixin make-row($gutter: $grid-gutter-width) {
+  margin-left:  ceil(($gutter / -2));
+  margin-right: floor(($gutter / -2));
+  @include clearfix;
+}
+
+// Generate the extra small columns
+@mixin make-xs-column($columns, $gutter: $grid-gutter-width) {
+  position: relative;
+  float: left;
+  width: percentage(($columns / $grid-columns));
+  min-height: 1px;
+  padding-left:  ($gutter / 2);
+  padding-right: ($gutter / 2);
+}
+@mixin make-xs-column-offset($columns) {
+  margin-left: percentage(($columns / $grid-columns));
+}
+@mixin make-xs-column-push($columns) {
+  left: percentage(($columns / $grid-columns));
+}
+@mixin make-xs-column-pull($columns) {
+  right: percentage(($columns / $grid-columns));
+}
+
+// Generate the small columns
+@mixin make-sm-column($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 / $grid-columns));
+  }
+}
+@mixin make-sm-column-offset($columns) {
+  @media (min-width: $screen-sm-min) {
+    margin-left: percentage(($columns / $grid-columns));
+  }
+}
+@mixin make-sm-column-push($columns) {
+  @media (min-width: $screen-sm-min) {
+    left: percentage(($columns / $grid-columns));
+  }
+}
+@mixin make-sm-column-pull($columns) {
+  @media (min-width: $screen-sm-min) {
+    right: percentage(($columns / $grid-columns));
+  }
+}
+
+// Generate the medium columns
+@mixin make-md-column($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 / $grid-columns));
+  }
+}
+@mixin make-md-column-offset($columns) {
+  @media (min-width: $screen-md-min) {
+    margin-left: percentage(($columns / $grid-columns));
+  }
+}
+@mixin make-md-column-push($columns) {
+  @media (min-width: $screen-md-min) {
+    left: percentage(($columns / $grid-columns));
+  }
+}
+@mixin make-md-column-pull($columns) {
+  @media (min-width: $screen-md-min) {
+    right: percentage(($columns / $grid-columns));
+  }
+}
+
+// Generate the large columns
+@mixin make-lg-column($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 / $grid-columns));
+  }
+}
+@mixin make-lg-column-offset($columns) {
+  @media (min-width: $screen-lg-min) {
+    margin-left: percentage(($columns / $grid-columns));
+  }
+}
+@mixin make-lg-column-push($columns) {
+  @media (min-width: $screen-lg-min) {
+    left: percentage(($columns / $grid-columns));
+  }
+}
+@mixin make-lg-column-pull($columns) {
+  @media (min-width: $screen-lg-min) {
+    right: percentage(($columns / $grid-columns));
+  }
+}

assets/scss/bootstrap/mixins/_opacity.scss

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+// Opacity
+
+@mixin opacity($opacity) {
+  opacity: $opacity;
+  // IE8 filter
+  $opacity-ie: ($opacity * 100);
+  filter: alpha(opacity=$opacity-ie);
+}

assets/scss/bootstrap/mixins/_resize.scss

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+// Resize anything
+
+@mixin resizable($direction) {
+  resize: $direction; // Options: horizontal, vertical, both
+  overflow: auto; // Per CSS3 UI, `resize` only applies when `overflow` isn't `visible`
+}

assets/scss/bootstrap/mixins/_size.scss

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+// Sizing shortcuts
+
+@mixin size($width, $height) {
+  width: $width;
+  height: $height;
+}
+
+@mixin square($size) {
+  @include size($size, $size);
+}

assets/scss/bootstrap/mixins/_vendor-prefixes.scss

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+// Vendor Prefixes
+//
+// All vendor mixins are deprecated as of v3.2.0 due to the introduction of
+// Autoprefixer in our Gruntfile. They will be removed in v4.
+
+// - Animations
+// - Backface visibility
+// - Box shadow
+// - Box sizing
+// - Content columns
+// - Hyphens
+// - Placeholder text
+// - Transformations
+// - Transitions
+// - User Select
+
+
+// Animations
+@mixin animation($animation) {
+  -webkit-animation: $animation;
+       -o-animation: $animation;
+          animation: $animation;
+}
+@mixin animation-name($name) {
+  -webkit-animation-name: $name;
+          animation-name: $name;
+}
+@mixin animation-duration($duration) {
+  -webkit-animation-duration: $duration;
+          animation-duration: $duration;
+}
+@mixin animation-timing-function($timing-function) {
+  -webkit-animation-timing-function: $timing-function;
+          animation-timing-function: $timing-function;
+}
+@mixin animation-delay($delay) {
+  -webkit-animation-delay: $delay;
+          animation-delay: $delay;
+}
+@mixin animation-iteration-count($iteration-count) {
+  -webkit-animation-iteration-count: $iteration-count;
+          animation-iteration-count: $iteration-count;
+}
+@mixin animation-direction($direction) {
+  -webkit-animation-direction: $direction;
+          animation-direction: $direction;
+}
+@mixin animation-fill-mode($fill-mode) {
+  -webkit-animation-fill-mode: $fill-mode;
+          animation-fill-mode: $fill-mode;
+}
+
+// Backface visibility
+// Prevent browsers from flickering when using CSS 3D transforms.
+// Default value is `visible`, but can be changed to `hidden`
+
+@mixin backface-visibility($visibility){
+  -webkit-backface-visibility: $visibility;
+     -moz-backface-visibility: $visibility;
+          backface-visibility: $visibility;
+}
+
+// Drop shadows
+//
+// Note: Deprecated `.box-shadow()` as of v3.1.0 since all of Bootstrap's
+// supported browsers that have box shadow capabilities now support it.
+
+@mixin box-shadow($shadow...) {
+  -webkit-box-shadow: $shadow; // iOS <4.3 & Android <4.1
+          box-shadow: $shadow;
+}
+
+// Box sizing
+@mixin box-sizing($boxmodel) {
+  -webkit-box-sizing: $boxmodel;
+     -moz-box-sizing: $boxmodel;
+          box-sizing: $boxmodel;
+}
+
+// CSS3 Content Columns
+@mixin content-columns($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: $column-gap;
+}
+
+// Optional hyphenation
+@mixin hyphens($mode: auto) {
+  word-wrap: break-word;
+  -webkit-hyphens: $mode;
+     -moz-hyphens: $mode;
+      -ms-hyphens: $mode; // IE10+
+       -o-hyphens: $mode;
+          hyphens: $mode;
+}
+
+// Placeholder text
+@mixin placeholder($color: $input-color-placeholder) {
+  // Firefox
+  &::-moz-placeholder {
+    color: $color;
+    opacity: 1; // Override Firefox's unusual default opacity; see https://github.com/twbs/bootstrap/pull/11526
+  }
+  &:-ms-input-placeholder { color: $color; } // Internet Explorer 10+
+  &::-webkit-input-placeholder  { color: $color; } // Safari and Chrome
+}
+
+// Transformations
+@mixin scale($ratio...) {
+  -webkit-transform: scale($ratio);
+      -ms-transform: scale($ratio); // IE9 only
+       -o-transform: scale($ratio);
+          transform: scale($ratio);
+}
+
+@mixin scaleX($ratio) {
+  -webkit-transform: scaleX($ratio);
+      -ms-transform: scaleX($ratio); // IE9 only
+       -o-transform: scaleX($ratio);
+          transform: scaleX($ratio);
+}
+@mixin scaleY($ratio) {
+  -webkit-transform: scaleY($ratio);
+      -ms-transform: scaleY($ratio); // IE9 only
+       -o-transform: scaleY($ratio);
+          transform: scaleY($ratio);
+}
+@mixin skew($x, $y) {
+  -webkit-transform: skewX($x) skewY($y);
+      -ms-transform: skewX($x) skewY($y); // See https://github.com/twbs/bootstrap/issues/4885; IE9+
+       -o-transform: skewX($x) skewY($y);
+          transform: skewX($x) skewY($y);
+}
+@mixin translate($x, $y) {
+  -webkit-transform: translate($x, $y);
+      -ms-transform: translate($x, $y); // IE9 only
+       -o-transform: translate($x, $y);
+          transform: translate($x, $y);
+}
+@mixin translate3d($x, $y, $z) {
+  -webkit-transform: translate3d($x, $y, $z);
+          transform: translate3d($x, $y, $z);
+}
+@mixin rotate($degrees) {
+  -webkit-transform: rotate($degrees);
+      -ms-transform: rotate($degrees); // IE9 only
+       -o-transform: rotate($degrees);
+          transform: rotate($degrees);
+}
+@mixin rotateX($degrees) {
+  -webkit-transform: rotateX($degrees);
+      -ms-transform: rotateX($degrees); // IE9 only
+       -o-transform: rotateX($degrees);
+          transform: rotateX($degrees);
+}
+@mixin rotateY($degrees) {
+  -webkit-transform: rotateY($degrees);
+      -ms-transform: rotateY($degrees); // IE9 only
+       -o-transform: rotateY($degrees);
+          transform: rotateY($degrees);
+}
+@mixin perspective($perspective) {
+  -webkit-perspective: $perspective;
+     -moz-perspective: $perspective;
+          perspective: $perspective;
+}
+@mixin perspective-origin($perspective) {
+  -webkit-perspective-origin: $perspective;
+     -moz-perspective-origin: $perspective;
+          perspective-origin: $perspective;
+}
+@mixin transform-origin($origin) {
+  -webkit-transform-origin: $origin;
+     -moz-transform-origin: $origin;
+      -ms-transform-origin: $origin; // IE9 only
+          transform-origin: $origin;
+}
+
+
+// Transitions
+
+@mixin transition($transition...) {
+  -webkit-transition: $transition;
+       -o-transition: $transition;
+          transition: $transition;
+}
+@mixin transition-property($transition-property...) {
+  -webkit-transition-property: $transition-property;
+          transition-property: $transition-property;
+}
+@mixin transition-delay($transition-delay) {
+  -webkit-transition-delay: $transition-delay;
+          transition-delay: $transition-delay;
+}
+@mixin transition-duration($transition-duration...) {
+  -webkit-transition-duration: $transition-duration;
+          transition-duration: $transition-duration;
+}
+@mixin transition-timing-function($timing-function) {
+  -webkit-transition-timing-function: $timing-function;
+          transition-timing-function: $timing-function;
+}
+@mixin transition-transform($transition...) {
+  -webkit-transition: -webkit-transform $transition;
+     -moz-transition: -moz-transform $transition;
+       -o-transition: -o-transform $transition;
+          transition: transform $transition;
+}
+
+
+// User select
+// For selecting text on the page
+
+@mixin user-select($select) {
+  -webkit-user-select: $select;
+     -moz-user-select: $select;
+      -ms-user-select: $select; // IE10+
+          user-select: $select;
+}