CSSgrid-column: 1 / 3 = từ line 1 đến line 3 (span 2 columns). grid-row: 1 / -1 = full height. span 2 = chiếm 2 tracks.
- Dùng named lines hoặc numbers.
- Negative values đếm từ cuối.
grid-column: 1 / 3 spans from line 1 to line 3 (2 columns wide). grid-row: 1 / -1 spans full height. span 2 occupies 2 tracks.
- Named lines or numbers can be used.
- Negative values count from the end.