@function decimal-round($float, $digits: 2) {
    $pow: pow(10, $digits);

    @return round($float * $pow) / $pow;
}

@function pow($x, $n) {
    $ret: 1;

    @if $n >= 0 {
        @for $i from 1 through $n {
        $ret: $ret * $x;
        }
    } @else {
        @for $i from $n to 0 {
        $ret: $ret / $x;
        }
    }

    @return $ret;
}