/* SASS mixins */
@mixin box-sizing($param) {
	box-sizing: $param;
	-moz-box-sizing: $param;
	-webkit-box-sizing: $param;
}
@mixin transition($tr1, $tr2:false) {
	$params: $tr1;
	@if $tr2 { $params: $tr1, $tr2 }
	-webkit-transition: $params;
	-moz-transition: $params;
	transition: $params;
}
@mixin transition-duration($duration) {
	-webkit-transition-duration: $duration;
	-moz-transition-duration: $duration;
	-o-transition-duration: $duration;
	transition-duration: $duration;
}
@mixin user-select($value) {
	-webkit-user-select: $value;
	-moz-user-select: $value;
	-ms-user-select: $value;
	user-select: $value;
}
@mixin display-flex {
	display: -webkit-box;
	display: -moz-box;
	display: -ms-flexbox;
	display: -webkit-flex;
	display: flex;
}
@mixin flex($value) {
	-webkit-box-flex: 1;
	-moz-box-flex: 1;
	-webkit-flex: 1;
	-ms-flex: 1;
	flex: 1;
}
@mixin flex-direction($value) {
	-webkit-flex-direction: $value;
	-moz-flex-direction: $value;
	-ms-flex-direction: $value;
	flex-direction: $value;
}
