@scope (.site-header) {
  :scope {
    max-width: var(--content-width);
    margin: 0 auto;
    padding: 1rem 1rem 0;
  }
  a {
    color: var(--color-text);
    text-decoration: none;
    font-weight: 700;
    font-size: 1.1rem;
  }
  a:hover {
    color: var(--color-accent);
  }
}