.sort-header::after {
  content: "▲";
  font-size: 9px;
  line-height: 1;
  opacity: .65;
  color: #9aa6b7;
}

.sort-header.asc::after {
  content: "▲";
  opacity: 1;
  color: var(--accent);
}

.sort-header.desc::after {
  content: "▼";
  opacity: 1;
  color: var(--accent);
}