Cacher is the code snippet organizer for pro developers

.p-small {
  font-size: 1em;
}

.p {
  font-size: 1.25em;
}

.p-large {
  font-size: 1.56em;
}

// ----
// Sass (v3.3.10)
// Compass (v1.0.0.alpha.20)
// ----

@function my-pow($value,$exponent) {
  $unit: unit($value);
  $stripped: $value / ($value * 0 + 1);
  $return: $stripped;
  @if $exponent == 0 {
    $return: 1;
  } @else {
    @for $i from 1 to $exponent {
      $return: $return * $stripped;
    }
  }
  @return round($return*100)/100 * 1#{$unit};
}

.p-small {
  font-size: my-pow(1.25em,0);
}
.p {
  font-size: my-pow(1.25em,1);
}
.p-large {
  font-size: my-pow(1.25em,2);
}