@keyframes slow-rotate {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

.grid .cell {
  animation: slow-rotate 20s linear infinite;
}
.grid .cell:nth-of-type(2) {animation-delay: 100ms;}
.grid .cell:nth-of-type(3) {animation-delay: 200ms;}
.grid .cell:nth-of-type(4) {animation-delay: 300ms;}
.wordmark {display: inline-block; transition: 10s transform ease;}
.wordmark:hover {transform: rotate(18000deg);}