4 <title>hiding a box covering a multicol, horizontal-bt</title>
7 <p>The word PASS should be seen below.</p>
8 <div style="position:relative; background:lime;">
9 <div style="position:absolute; z-index:1; left:0; right:0; top:0; height:6em; background:white;"></div> <!-- make it fail if writing-mode isn't supported -->
10 <div style="width:20em; height:20em; -webkit-writing-mode:horizontal-bt;">
11 <div style="-webkit-columns:4; -webkit-column-gap:0; columns:4; column-fill:auto; column-gap:0; orphans:1; widows:1; height:6em; line-height:2em; background:cyan;">