@function prefix($prefix, $property) {
  @return #{$prefix}-#{$property};
}

@function -svg($property) {
  @return prefix('-svg', $property);
}

@function -owg($property) {
  @return prefix('-owg', $property);
}

@function -webkit($property) {
  @return prefix('-webkit', $property);
}

@function -moz($property) {
  @return prefix('-moz', $property);
}

@function -o($property) {
  @return prefix('-o', $property);
}

@function -pie($property) {
  @return prefix('-pie', $property);
}