Sass mixins

_mixins.scss

@mixin prefixed($property, $value) {
    @each $prefix in "-webkit-", "-moz-", "-ms-", "-o-", "" {
		#{$prefix}#{$property}: #{$value};
	}
}

@mixin transition($props) {
    @include prefixed('transition', $props);
}

@mixin border-radius($value: 3px) {
	@include prefixed('border-radius', $value);
	// keeps background from busting out of border 
	@include prefixed('background-clip', padding-box);
}

@mixin box-shadow($props) {
	@include prefixed('box-shadow', $props);
}