end;
      justify-content: center;
      align-items: center;
      float: left;
      clear: both;
      margin-top: 100px;
    }
    .rowNoWrap {
      flex-flow: row nowrap;
    }
    .columnNoWrap {
      flex-flow: column wrap;
    }
    .item {
      border: 1px solid blue;
      background: lightblue;
      width: 28px;
      height: 28px;
      flex-shrink: 0;
    }
    .bigItem {
      border: 1px solid blue;
      background: lightblue;
      width: 28px;
      height: 90px;
      flex-shrink: 0;