@keyframes co-a{0%{grid-template-rows:0fr}to{grid-template-rows:1fr}}@keyframes co-b{0%{grid-template-rows:1fr}to{grid-template-rows:0fr}}@keyframes co-c{0%{grid-template-columns:0fr}to{grid-template-columns:1fr}}@keyframes co-d{0%{grid-template-columns:1fr}to{grid-template-columns:0fr}}