@media (max-width: 600px) {
  .grid {
    grid-template-columns: 1fr;
  }
}

@media (min-width: 600px) {
  .grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 1000px) {
  .grid {
    grid-template-columns: 1fr 1fr 1fr 1fr;
  }
}
@media (max-width: 600px) {
  #container {
    grid-template-columns: 1fr;
  }
}

@media (min-width: 600px) {
  #container {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 800px) {
  #container {
    grid-template-columns: 1fr 1fr 1fr;
  }
}