| <!DOCTYPE html> | |
| <p>There should be a blue square below.</p> | |
| <div style="-webkit-columns:2; -webkit-column-gap:0; column-fill:auto; width:4em; height:6em;"> | |
| <div style="-webkit-column-break-after:always; height:4em; background:blue;"></div> | |
| <div style="float:left; width:100%; height:4em; background:blue;"></div> | |
| </div> |