.device-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  max-width: 860px;
  margin-inline: auto;
}

@media (max-width: 700px) {
  .device-grid {
    grid-template-columns: 1fr;
    max-width: 420px;
  }
}
.device-grid .device-card:nth-child(n+4){display:none}