.kntnt-anchor-link {
  --size: 16px;
  --space: 8px;
  margin-left: calc(0px - var(--size) - var(--space));
  padding-right: var(--space);
  opacity: 0;
}

.kntnt-anchor-link::after {
  display: inline-block;
  width: var(--size);
  height: var(--size);
  background: center no-repeat url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' height='16' width='16' viewBox='0 0 16 16' aria-hidden='true' %3E%3Cpath fill-rule='evenodd' d='M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z'%3E%3C/path%3E%3C/svg%3E");
  content: "";
}

:is(h1, h2, h3, h4, h5, h6):hover .kntnt-anchor-link {
  opacity: 1;
}