| <!DOCTYPE html> | |
| <p>Test that using percentage margins on spanners works.</p> | |
| <p>Below there should be a blue square centered inside a yellow square.</p> | |
| <div style="-webkit-columns:3; width:10em; background:yellow;"> | |
| <div style="-webkit-column-span:all; margin:30%; height:4em; background:blue;"></div> | |
| </div> |