.pa_pdp-option-block .block-swatch-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(32%, 100%), 1fr));
}
@media screen and (max-width: 640px){
  .text-truncate {
    max-width: 115px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
}