| Rowspan Cell (Yellow) | Column 2, Row 1 | Column 3, Row 1 |
| Column 2, Row 2 | Column 3, Row 2 | |
| Column 1, Row 3 | Column 2, Row 3 | Column 3, Row 3 |
"I thought this AI experiment was interesting. It worked well because it generated the complex CSS borders and rowspan correctly on the first try. I did not have to redo the question. I would definitely use AI to generate code again because it saves time on repetitive tasks like styling tables."