 span:nth-child(5) {grid-row: 5;}
body:hover #rows {transform: translateZ(267px);}

#rowgroups {top: 0%; left: 0%; z-index: 3; transform: translateZ(3px);}
#rowgroups span {background: rgba(255,216,216,1);}
#rowgroups span {grid-column: 1 / span 3;}
#rowgroups span:nth-child(1) {grid-row: 1;}
#rowgroups span:nth-child(2) {grid-row: 2 / span 3;}
#rowgroups span:nth-child(3) {grid-row: 5;}
body:hover #rowgroups {transform: translateZ(200px);}

#cols {top: 0%; left: 0%; z-index: 2; transform: translateZ(2px);}