.face-u{grid-row:1;grid-column:2;border-right:2px solid black}.face-l{grid-row:2;grid-column:1;border-bottom:2px solid black}.face-f{grid-row:2;grid-column:2}.face-r{grid-column:3}.face-b,.face-r{grid-row:2;border-bottom:2px solid black}.face-b{grid-column:4}.face-b,.face-d{border-right:2px solid black}.face-d{grid-row:3;grid-column:2;border-bottom:2px solid black}.white{background-color:white}.red{background-color:red}.green{background-color:#33cc33}.orange{background-color:orange}.blue{background-color:#0070c0}.yellow{background-color:yellow}