.birthday-board {
  padding: 0 !important;
  overflow: hidden;
}

.birthday-board summary {
  list-style: none;
}

.birthday-board summary::-webkit-details-marker {
  display: none;
}

.birthday-board .birthday-board-head {
  margin: 0;
  padding: 24px;
  cursor: pointer;
}

.birthday-board-head small {
  display: block;
  margin-top: 5px;
  color: var(--muted);
}

.birthday-board-head > span {
  display: flex;
  align-items: center;
  gap: 10px;
}

.birthday-board-head > span b {
  font-size: 18px;
  transition: transform .2s;
}

.birthday-board[open] .birthday-board-head > span b {
  transform: rotate(180deg);
}

.birthday-board-content {
  padding: 0 24px 24px;
  border-top: 1px solid #eadcc8;
}

@media (max-width: 700px) {
  .birthday-board .birthday-board-head {
    padding: 18px;
  }
  .birthday-board-content {
    padding: 0 18px 18px;
  }
}