.grid{
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(24rem, 1fr));
  grid-auto-rows: 24rem;
  grid-auto-flow: dense row;
  --stagger-delay: 90ms;
}

@keyframes cardAnim {
  from {
    opacity: 0;
    transform: scale(0);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}
.card {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100%;
  background-color: #000000;
  box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.1), 0 6px 20px 0 rgba(0, 0, 0, 0.19);
  color: rgba(255, 255, 255, 0);
  font-family: 'Helvetica Neue';
  font-size: 3rem;
  border-radius: 1rem;
  animation: cardAnim 900ms ease-out;
  animation-fill-mode: backwards;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  transition: transform .5s;
}


.card:hover{
  transform: scale(1.03);
  color: #ffffff;
  background-blend-mode: saturation;	
	
}

.card:nth-child(1){
  animation-delay: calc(1 * var(--stagger-delay));
}

.card:nth-child(2){
  animation-delay: calc(12 * var(--stagger-delay));
}

.card:nth-child(3){
  animation-delay: calc(5 * var(--stagger-delay));
}

.card:nth-child(4){
  animation-delay: calc(4 * var(--stagger-delay));
}

.card:nth-child(5){
  animation-delay: calc(3 * var(--stagger-delay));
}
.card:nth-child(6){
  animation-delay: calc(6 * var(--stagger-delay));
}
card:nth-child(7){
  animation-delay: calc(7 * var(--stagger-delay));
}
.card:nth-child(8){
  animation-delay: calc(8 * var(--stagger-delay));
}
.card:nth-child(9){
  animation-delay: calc(9 * var(--stagger-delay));
}
.card:nth-child(10){
  animation-delay: calc(10 * var(--stagger-delay));
}
.card:nth-child(11){
  animation-delay: calc(11 * var(--stagger-delay));
}
.card:nth-child(12){
  animation-delay: calc(2 * var(--stagger-delay));
}

.tall {
  background-color: #999999;
}

.wide {
  background-color: #666666;
}

@media screen and (min-width: 400px) {
  
  .tall {
  grid-row: span 1;
}

  .wide {
  grid-column: span 1;
}
}