_text-transform-mixin.scss

@mixin text_transform($style: none) {
  text-transform: $style;
}

@mixin ttc {
  @include text-transform(capitalize);
}

@mixin ttl {
  @include text_transform(lowercase);
}

@mixin ttu {
  @include text_transform(uppercase);
}

@mixin ttn {
  @include text_transform(none);
}