.wrap {
  height: 300px;
  overflow: auto;
}

.listWrap {
  display: flex;
  flex-wrap: wrap;

  list-style: none;

  width: 320px;
  padding: 0;
  margin: 0;

  > li {
    width: 32px;
    height: 32px;
    font-size: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 4px;
    cursor: pointer;
  }
}