@media (max-width: 768px) {
  .showcase-item {
    width: 48% !important;
    display: inline-block !important;
    vertical-align: top !important;
    margin: 1% !important;
  }

  .showcase-list {
    display: flex !important;
    flex-wrap: wrap !important;
    justify-content: center !important;
  }

  .showcase-item img {
    width: 100% !important;
    height: auto !important;
  }
}