:global {
  .calendar {
    border: 1px solid #aaa;
    padding: 10px;
    width: 300px;
    margin: 0 auto;
  }

  .header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 40px;
  }

  .days {
    display: flex;
    flex-wrap: wrap;
  }

  .empty,
  .day {
    width: calc(100% / 7 - 16px);
    margin: 4px 8px;

    /* 宽高一样 */
    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;
  }

  .empty {
    color: #a7a7a7;
  }

  .day:hover,
  .selected {
    border: solid 2px #417ee6;
    cursor: pointer;
    border-radius: 4px;
  }
}