.publication-year-archive-section .publication-year-empty {
  color: #6c757d;
  font-size: 18px;
  padding: 40px 0;
}

.publication-year-archive-section .featured-publications-sidebar .publication-year-link.is-active {
  background: var(--nitto-blue);
  border-color: var(--nitto-blue);
  color: #fff;
}

.publication-year-archive-section .featured-publications-sidebar .publication-year-link.is-active:hover,
.publication-year-archive-section .featured-publications-sidebar .publication-year-link.is-active:focus {
  background: var(--nitto-blue);
  color: #fff;
}