Some useful Sass functions

sass-functions.md

###Strip units

@function strip-unit($number) {
  @if type-of($number) == 'number' and not unitless($number) {
    @return $number / ($number * 0 + 1);
  }

  @return $number;
}

@function strip-units($value) {
  @return $value / (($value * 0) + 1 );
}