.box-quantity-row {
  align-items: center;
}

.box-quantity-input {
  flex: 0 0 112px;
  width: 112px;
  height: 44px;
  text-align: center;
  font-weight: 800;
}

@media (max-width: 700px) {
  .box-quantity-input {
    flex-basis: 100px;
    width: 100px;
  }
}