.anchor-link {
  font-weight: 400;
  color: rgba($link-color, .5);
  padding-left: 0.375em;
  text-decoration: none;
  opacity: 0;
  @include transition(color .15s ease-in-out);

  &:focus,
  &:hover {
    color: $link-color;
    text-decoration: none;
  }
}

h2, h3, h4, h5, h6 {
  &:hover {
    .anchor-link {
      opacity: 1;
    }
  }
}