span.article--credits {
  padding-left: calc(var(--gap) * .1);
}

.back--btn.next::before, .back--btn.prev::before {
  content: unset;
  font-family: unset;
  font-size: unset;
}

.back--btn.next::after, .back--btn.prev::after {
  content: ' \F231';
  font-family: "bootstrap-icons";
  font-size: 66%;
}


@media (min-width: 768px) {
.back--btn.prev::after {
    content: unset;
    font-family: unset;
    font-size: unset;
  }

  .back--btn.prev::before {
    content: '\F22D';
    font-family: "bootstrap-icons";
    font-size: 66%;
  }
}