.btn--arrow-right {
  position: relative;
  padding-right: 2em;
  padding-left: 1.38em;
}

.btn--arrow-right::after {
  content: '\f061';
  position: absolute;
  top: 50%;
  right: .83em;
  font-family: 'Font Awesome 5 Free';
  font-weight: 900;
  transform: translateY(-50%);
}