@mixin box-shadow($top, $left, $blur, $color, $inset: false) {
	@if $inset {
		-webkit-box-shadow:inset $top $left $blur $color;
		-moz-box-shadow:inset $top $left $blur $color;
		box-shadow:inset $top $left $blur $color;
	} @else {
		-webkit-box-shadow: $top $left $blur $color;
		-moz-box-shadow: $top $left $blur $color;
		box-shadow: $top $left $blur $color;
	}
}

@mixin border-radius($radius: 0.5em) {
	-webkit-border-radius: $radius;
	-moz-border-radius: $radius;
	border-radius: $radius;
}

@mixin blur($blur: 1px) {
	-webkit-filter: blur($blur);
	-moz-filter: blur($blur);
	filter: blur($blur);
}

@mixin box-square($size: 10px) {
	width: $size;
	height: $size;
}

@mixin transition($transition-config) {
	-webkit-transition: $transition-config;
	-moz-transition: $transition-config;
	-o-transition: $transition-config;
	transition: $transition-config;
}

@mixin box-sizing($box-sizing-config) {
	-webkit-box-sizing: $box-sizing-config;
	-moz-box-sizing: $box-sizing-config;
	box-sizing: $box-sizing-config;
}

@mixin transform-origin($transform-origin-config) {
	-webkit-transform-origin: $transform-origin-config;
	-moz-transform-origin: $transform-origin-config;
	-o-transform-origin: $transform-origin-config;
	transform-origin: $transform-origin-config;
}