woocommerce/assets/css/_mixins.scss

$woocommerce:   #ad74a2;
$green:         #7ad03a;
$red:           #a00;
$orange:        #ffba00;
$blue:          #2ea2cc;

/**
 * Deprecated
 * Fallback for bourbon equivalent
 */
@mixin clearfix() {
	*zoom: 1;

	&:before,
	&:after {
		content: " ";
		display: table;
	}

	&:after {
		clear: both;
	}
}

/**
 * Deprecated
 * Vendor prefix no longer required.
 */
@mixin border_radius($radius: 4px) {
	-webkit-border-radius:$radius;
	border-radius:$radius;
}

/**
 * Deprecated
 * Vendor prefix no longer required.
 */
@mixin border_radius_right($radius: 4px) {
	-webkit-border-top-right-radius: $radius;
	-webkit-border-bottom-right-radius: $radius;
	border-top-right-radius: $radius;
	border-bottom-right-radius: $radius;
}

/**
 * Deprecated
 * Vendor prefix no longer required.
 */
@mixin border_radius_left($radius: 4px) {
	-webkit-border-top-left-radius: $radius;
	-webkit-border-bottom-left-radius: $radius;
	border-top-left-radius: $radius;
	border-bottom-left-radius: $radius;
}

/**
 * Deprecated
 * Vendor prefix no longer required.
 */
@mixin border_radius_bottom($radius: 4px) {
	-webkit-border-bottom-left-radius: $radius;
	-webkit-border-bottom-right-radius: $radius;
	border-bottom-left-radius: $radius;
	border-bottom-right-radius: $radius;
}

/**
 * Deprecated
 * Vendor prefix no longer required.
 */
@mixin border_radius_top($radius: 4px) {
	-webkit-border-top-left-radius: $radius;
	-webkit-border-top-right-radius: $radius;
	border-top-left-radius: $radius;
	border-top-right-radius: $radius;
}

/**
 * Deprecated
 * Vendor prefix no longer required.
 */
@mixin opacity( $opacity: 0.75 ) {
	filter: unquote("alpha(opacity=$opacity * 100)");
	-moz-opacity: $opacity;
	-khtml-opacity: $opacity;
	opacity: $opacity;
}

/**
 * Deprecated
 * Vendor prefix no longer required.
 */
@mixin box_shadow($shadow_x: 3px, $shadow_y: 3px, $shadow_rad: 3px, $shadow_in: 3px, $shadow_color: #888) {
	box-shadow: $shadow_x $shadow_y $shadow_rad $shadow_in $shadow_color;
	-webkit-box-shadow: $shadow_x $shadow_y $shadow_rad $shadow_in $shadow_color;
}

/**
 * Deprecated
 * Vendor prefix no longer required.
 */
@mixin inset_box_shadow($shadow_x: 3px, $shadow_y: 3px, $shadow_rad: 3px, $shadow_in: 3px, $shadow_color: #888) {
	box-shadow: inset $shadow_x $shadow_y $shadow_rad $shadow_in $shadow_color;
	-webkit-box-shadow: inset $shadow_x $shadow_y $shadow_rad $shadow_in $shadow_color;
}

/**
 * Deprecated
 * Vendor prefix no longer required.
 */
@mixin text_shadow($shadow_x: 3px, $shadow_y: 3px, $shadow_rad: 3px, $shadow_color: #fff) {
	text-shadow: $shadow_x $shadow_y $shadow_rad $shadow_color;
}

/**
 * Deprecated
 * Vendor prefix no longer required.
 */
@mixin vertical_gradient($from: #000, $to: #fff) {
	background: $from;
	background: -webkit-gradient(linear, left top, left bottom, from($from), to($to));
	background: -webkit-linear-gradient($from, $to);
	background: -moz-linear-gradient(center top, $from 0%, $to 100%);
	background: -moz-gradient(center top, $from 0%, $to 100%);
}

/**
 * Deprecated
 * Vendor prefix no longer required.
 */
@mixin transition($selector: all, $animation: ease-in-out, $duration: .2s) {
	-webkit-transition: $selector $animation $duration;
	-moz-transition: $selector $animation $duration;
	-o-transition: $selector $animation $duration;
	transition: $selector $animation $duration;
}

/**
 * Deprecated
 * Use bourbon mixin instead `@include transform(scale(1.5));`
 */
@mixin scale($ratio: 1.5) {
	-webkit-transform: scale($ratio);
	-moz-transform: scale($ratio);
	-ms-transform: scale($ratio);
	-o-transform: scale($ratio);
	transform: scale($ratio);
}

/**
 * Deprecated
 * Use bourbon mixin instead `@include box-sizing(border-box);`
 */
@mixin borderbox() {
	-webkit-box-sizing: border-box; /* Safari/Chrome, other WebKit */
	-moz-box-sizing: border-box;    /* Firefox, other Gecko */
	box-sizing: border-box;         /* Opera/IE 8+ */
}

@mixin darkorlighttextshadow($a, $opacity: .8) {
    @if lightness($a) >= 65% {
        @include text_shadow(0, -1px, 0, rgba(0, 0, 0, $opacity));
    } @else {
        @include text_shadow(0, 1px, 0, rgba(255, 255, 255, $opacity));
    }
}

/**
 * Objects
 */
@mixin menu() {
	@include clearfix();

	li {
		display: inline-block;
	}
}

@mixin mediaright() {
	@include clearfix();

	img {
		float: right;
		height: auto;
	}
}

@mixin medialeft() {
	@include clearfix();

	img {
		float: right;
		height: auto;
	}
}

@mixin ir() {
	display: block;
	text-indent: -9999px;
	position: relative;
	height: 1em;
	width: 1em;
}

@mixin icon( $glyph: "\e001" ) {
	font-family: 'WooCommerce';
	speak: none;
	font-weight: normal;
	font-variant: normal;
	text-transform: none;
	line-height: 1;
	-webkit-font-smoothing: antialiased;
	margin:0;
	text-indent: 0;
	position: absolute;
	top:0;
	left:0;
	width:100%;
	height: 100%;
	text-align: center;
	content: $glyph;
}

@mixin iconbefore( $glyph: "\e001" ) {
	font-family: 'WooCommerce';
	speak: none;
	font-weight: normal;
	font-variant: normal;
	text-transform: none;
	line-height: 1;
	-webkit-font-smoothing: antialiased;
	margin-right:7px;
	content: $glyph;
}

@mixin iconafter( $glyph: "\e001" ) {
	font-family: 'WooCommerce';
	speak: none;
	font-weight: normal;
	font-variant: normal;
	text-transform: none;
	line-height: 1;
	-webkit-font-smoothing: antialiased;
	margin-left: 7px;
	content: $glyph;
}