.container{
  padding:1.68rem;
}

.row {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
}

.col-6{
  flex-basis: 45%;
}

@media (min-width: 331px) and (max-width:599px) {
  .col-3{
    flex-basis: 50%;
  }
}