@function text-stroke($size: 2, $color: #fff, $correction: 0) {
    $size-rounded: round($size);
    $size-rest:    $size-rounded - $size;
    
	$radius: $size - $correction;
	$stroke: ();

	@for $i from -$size-rounded through $size-rounded {
	    $i: $i + $size-rest;
	    
		@for $k from -$size-rounded through $size-rounded {
		    $k: $k + $size-rest;

			$x: $k;
			$y: $i;

			@if $k > 0 {
				$x: $k - 0.5;
			} @else if $k < 0 {
				$x: $k + 0.5;
			}

			@if $i > 0 {
				$y: $i - 0.5;
			} @else if $i < 0 {
				$y: $i + 0.5;
			}

			@if ($x*$x + $y*$y <= $radius*$radius) {
				$stroke: append($stroke, $i*1px $k*1px 0 $color, comma);
			}
		}
	}

	@return $stroke;
}

@mixin text-stroke($size: 2, $color: #fff, $correction: 0) {
	text-shadow: text-stroke($size, $color, $correction);
}