@breakpoints {
  .rt-r-lt-normal::before,
  .rt-r-lt-end::before,
  .rt-r-lt-normal::after,
  .rt-r-lt-start::after {
    content: none;
  }

  .rt-r-lt-start::before,
  .rt-r-lt-both::before,
  .rt-r-lt-end::after,
  .rt-r-lt-both::after {
    content: '';
    display: table;
  }

  .rt-r-lt-start::before,
  .rt-r-lt-both::before {
    margin-bottom: calc(
      var(--leading-trim-start, var(--default-leading-trim-start)) -
        var(--line-height, calc(1em * var(--default-line-height))) / 2
    );
  }

  .rt-r-lt-end::after,
  .rt-r-lt-both::after {
    margin-top: calc(
      var(--leading-trim-end, var(--default-leading-trim-end)) -
        var(--line-height, calc(1em * var(--default-line-height))) / 2
    );
  }
}