CSS - description page div align parent left or right

divAlign.css

@media only screen and (min-width: 992px) {
  .flex-left {
    display: flex;
    flex-direction: row;
  }

  .flex-right {
    // usage e.g.: div align right.
    // can also replace Bootstrap col-md-push and col-md-pull back in bootstrap 3
    display: flex;
    flex-direction: row-reverse;
  }
}