.productTable {
  background-color: white;
  padding: 24px 16px; /* add some space here between the vertical stacked items */
  margin-bottom: 16px;
}

@media (min-width: 768px) {
  .main {
    display: -webkit-flex;
    display: flex;
  }

  .productTable {
    -webkit-flex: 1;
    -ms-flex: 1; 
    flex: 1;
    padding: 24px 16px;
    margin: 16px;
  }
}