.institutions { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.institution-relai { display: block; max-width: calc(100% - 18px); height: auto; background: transparent; }
.relai-lettering { color: #1b1b19; }
[data-theme="dark"] .relai-lettering { color: #fff; }
@media (max-width: 700px) {
  .institutions { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .institutions li:last-child { grid-column: 1 / -1; }
}