:global .calendar {
  border: 1px solid #aaa;
  padding: 10px;
  width: 300px;
  margin: 0 auto;
}
:global .header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 40px;
}
:global .days {
  display: flex;
  flex-wrap: wrap;
}
:global .empty,
:global .day {
  width: calc(100% / 7 - 16px);
  margin: 4px 8px;
  aspect-ratio: 1;
  text-align: center;
  border: solid 2px transparent;
  box-sizing: border-box;
  user-select: none;
  user-select: none;
  user-select: none;
  user-select: none;
}
:global .empty {
  color: #a7a7a7;
}
:global .day:hover,
:global .selected {
  border: solid 2px #417ee6;
  cursor: pointer;
  border-radius: 4px;
}