Styling elements based on sibling count

The original idea belongs to André Luís, but I think it could be improved to be much less verbose. André’s solution is like this: /* one item */ li:nth-child(1):nth-last-child(1) { width: 100%; } /* two items */ li:nth-child(1):nth-last-child(2), li:nth-child(2):nth-last-child(1) { width: 50%; } /* three items */ li:nth-child(1):nth-last-child(3), li:nth-child(2):nth-last-child(2), li:nth-child(3):nth-last-child(1) { width: 33.3333%; } /*… continue reading