.wallpaper-container {
    display: grid;
    grid-template-columns: repeat(4,1fr);
    gap: 4px;
}

.wallpaper-sizes {
  grid-column: span 4
}

@media (min-width: 900px) {
  .wallpaper-container {
    display: grid;
    grid-template-columns: repeat(4,1fr);
    gap: 16px 16px;
}
}