.wp-block-button.has-arrow .wp-block-button__link::after {
  content: '';
  display: inline-block;
  width: 0.625rem;
  height: 0.625rem;
  margin-top: -2px;
  margin-left: 1rem;
  vertical-align: middle;
  mask-repeat: no-repeat;
  mask-position: center;
  mask-size: contain;
  mask-image: url("arrow-icon.svg");
  background-color: currentColor;
}