<!DOCTYPE html>
<p>Test that a line pushed down by a float doesn't pull the float to the next column if it has to break.</p>
<div style="width:51em; height:10em; line-height:2em; background:yellow;">
<div style="float:left; width:25em;">
First column.<br>
<div style="float:left; width:100%; height:7em; background:cyan;">
This cyan block should all be in the first column.
</div>
</div>
<div style="float:left; margin-left:1em; width:25em;">
Second column.
</div>
</div>