@import "compass/css3";
@function shadow-3d($text-color, $shadow-color) {
  $shadows: compact();
  @for $i from 1 through 5 {
    $shadows: append($shadows, 0 1px * $i 0 scale-color($text-color, $lightness: 20% + $i * 5%));
  }
  @each $values in (6px 1px 0.1, 0 5px 0.1, 1px 3px 0.3, 3px 5px 0.2, 5px 10px 0.25, 10px 10px 0.2, 20px 20px 0.15) {
    $shadows: append($shadows, 0 nth($values, 1) nth($values, 2) change-color($shadow-color, $alpha: nth($values, 3)));
  }
  @return $shadows;
}
h1 {
  @include text-shadow(shadow-3d(#fff, black))
}