.board-shell {
  border: 1px solid #31415f;
  border-radius: 10px;
  padding: 10px;
  background: #101829;
}

.theme-board {
  width: 100%;
  max-width: 480px;
  aspect-ratio: 9 / 10;
  background-size: cover;
  background-position: center;
  border-radius: 8px;
}