3d text mixin for sass

gistfile1.sass

@mixin text-3d ($color, $distance: 5px, $angle: 45deg) {
    
    $value: "";
    
    @for $i from 0px through $distance {
        
         $horizontal: (1px - $i) (1px + $i) $color;
         $vertical: (-1px - $i) (-1px + $i) darken($color, 20%);
         
         @if $i > 0 {
             $value: $value + ', ';
         }
         $value: $value + $horizontal + ", " + $vertical;
    }
    
    text-shadow: unquote($value);
}