.calendar-header, .calendar-day {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 9999px;
  margin: 0.125rem;
}

.calendar-day:hover {
  background-color: #e5e7eb;
  cursor: pointer;
}

.calendar-day.selected {
  background-color: #008080;
  color: white;
}

#calendar {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 0.25rem;
}