// 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

.animation(@animation) {

  -webkit-animation: @animation;

       -o-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;

}

.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`

.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.

.box-shadow(@shadow) {

  -webkit-box-shadow: @shadow; // iOS <4.3 & Android <4.1

          box-shadow: @shadow;

}

// Box sizing

.box-sizing(@boxmodel) {

  -webkit-box-sizing: @boxmodel;

     -moz-box-sizing: @boxmodel;

          box-sizing: @boxmodel;

}

// 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;

}

// Placeholder text

.placeholder(@color: @input-color-placeholder) {

  // Firefox

  &::-moz-placeholder {

    color: @color;

    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

}

// Transformations

.scale(@ratio) {

  -webkit-transform: scale(@ratio);

      -ms-transform: scale(@ratio); // IE9 only

       -o-transform: scale(@ratio);

          transform: scale(@ratio);

}

.scale(@ratioX; @ratioY) {

  -webkit-transform: scale(@ratioX, @ratioY);

      -ms-transform: scale(@ratioX, @ratioY); // IE9 only

       -o-transform: scale(@ratioX, @ratioY);

          transform: scale(@ratioX, @ratioY);

}

.scaleX(@ratio) {

  -webkit-transform: scaleX(@ratio);

      -ms-transform: scaleX(@ratio); // IE9 only

       -o-transform: scaleX(@ratio);

          transform: scaleX(@ratio);

}

.scaleY(@ratio) {

  -webkit-transform: scaleY(@ratio);

      -ms-transform: scaleY(@ratio); // IE9 only

       -o-transform: scaleY(@ratio);

          transform: scaleY(@ratio);

}

.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);

}

.translate(@x; @y) {

  -webkit-transform: translate(@x, @y);

      -ms-transform: translate(@x, @y); // IE9 only

       -o-transform: translate(@x, @y);

          transform: translate(@x, @y);

}

.translate3d(@x; @y; @z) {

  -webkit-transform: translate3d(@x, @y, @z);

          transform: translate3d(@x, @y, @z);

}

.rotate(@degrees) {

  -webkit-transform: rotate(@degrees);

      -ms-transform: rotate(@degrees); // IE9 only

       -o-transform: rotate(@degrees);

          transform: rotate(@degrees);

}

.rotateX(@degrees) {

  -webkit-transform: rotateX(@degrees);

      -ms-transform: rotateX(@degrees); // IE9 only

       -o-transform: rotateX(@degrees);

          transform: rotateX(@degrees);

}

.rotateY(@degrees) {

  -webkit-transform: rotateY(@degrees);

      -ms-transform: rotateY(@degrees); // IE9 only

       -o-transform: rotateY(@degrees);

          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;

}

// Transitions

.transition(@transition) {

  -webkit-transition: @transition;

       -o-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-timing-function(@timing-function) {

  -webkit-transition-timing-function: @timing-function;

          transition-timing-function: @timing-function;

}

.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

.user-select(@select) {

  -webkit-user-select: @select;

     -moz-user-select: @select;

      -ms-user-select: @select; // IE10+

          user-select: @select;

}