@function get-vw($target){ 
	$vw-context: (1920*.01) * 1px;
	@return (calc($target/$vw-context)) * 1vw;
}

@function letter-spacing($size,$spacing){ 
	@return (calc($size / 1000 * $spacing)) * 1px;
}

@function padding-top($height,$width){ 
	@return (calc($height / $width)) * 100%;
}