.deck-section {
  margin-bottom: 1.5rem;
}

.deck-section h3 {
  margin-bottom: 0.5rem;
}

#mainDeck div,
#extraDeck div,
#sideDeck div {
  padding: 0.35rem 0.5rem;
  margin-bottom: 0.35rem;
  background-color: #222;
  border: 1px solid var(--border);
  border-radius: 6px;
}