.nz-chart-tooltip > div > div:nth-of-type(1) > div:nth-of-type(2) > div > div:nth-of-type(1){
  display: flex;
  span {
    float: none;
  }
  > span:nth-of-type(2){
    flex: 1;
    display: inline-block;
    overflow: hidden;
    text-overflow:ellipsis;
    white-space: nowrap;
  }
}