// ----------------------------------------------------------------------

  // Inner Shadow

// ----------------------------------------------------------------------

// example: @include inner-shadow(1px, 2px, 2px, #000);

@mixin inner-shadow($hoff: false, $voff: false, $blur: false, $color: false) {
  -webkit-box-shadow: inset $hoff $voff $blur $color;
     -moz-box-shadow: inset $hoff $voff $blur $color;
      box-shadow: inset $hoff $voff $blur $color;
}