Less px+rem values

.rem(@property, @value) when not (ispixel(@value)) {
  @px: 0px + @value * 10;
  .less-print(
    "@{property}: @{value};" +
    "@{property}: @{px}"
  );
}
.rem(@property, @value) when (ispixel(@value)) {
  @rem: 0rem + @value / 10;
  .less-print(
    "@{property}: @{rem};" +
    "@{property}: @{value}"
  );
}
.less-print(@string) {
  -i: ~"0;" + @string;
}