.board-sync-banner {
  display: none;
  margin: 0 auto 18px;
  max-width: 650px;
  padding: 10px 16px;
  border: 1px solid #38536a;
  border-radius: 99px;
  background: #0b1a28e8;
  color: #c3d4df;
  text-align: center;
  font: 700 11px monospace;
}

.board-syncing .board-sync-banner,
.board-offline .board-sync-banner {
  display: block;
}

.board-offline .slot.available {
  pointer-events: none;
  opacity: 0.45;
}