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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 have been 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; // 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
.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;
}
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