.bento {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 180px;
  gap: 1rem;
}

.bento-wide  { grid-column: span 2; }
.bento-tall  { grid-row: span 2; }
.bento-large { grid-column: span 2; grid-row: span 2; }

@media (max-width: 768px) {
  .bento { grid-template-columns: repeat(2, 1fr); }
  .bento-wide, .bento-large { grid-column: span 2; }
}