/// Multiply one number by the power of another
///
/// @author Hugo Giraudel
/// @access public
/// @link https://css-tricks.com/snippets/sass/power-function/
///
/// @param {number} $number - the number you wish to multiply
/// @param {number} $exponent - the power by which to multiply
///
/// @return {number} - result of $number ^ $exponent
@function pow($number, $exponent) {
    $value: 1;

    @if $exponent > 0 {
        @for $i from 1 through $exponent {
            $value: $value * $number;
        }
    } @else if $exponent < 0 {
        @for $i from 1 through -$exponent {
            $value: $value / $number;
        }
    }

    @return $value;
}