| <!DOCTYPE html> |
| <style> |
| .box { width:66px; height:66px; margin:auto; background:blue; } |
| </style> |
| <p>Change an ancestor of a descendant spanner to becoming a spanner, so that the descendant will cease to be a spanner.</p> |
| <p>There should be three identical blue <em>squares</em> below. The space between them should be equal to the size of the squares.</p> |
| <div style="-webkit-columns:3; -webkit-column-gap:0; width:132px;"> |
| <div class="box" style="-webkit-column-span:all; margin-bottom:66px;"></div> |
| <div id="ancestor" class="box" style="margin:66px auto;"> |
| <div style="-webkit-column-span:all; height:22px; background:blue;"></div> |
| </div> |
| <div class="box" style="-webkit-column-span:all; margin-top:66px;"></div> |
| </div> |
| <script> |
| document.body.offsetTop; |
| document.getElementById("ancestor").style.webkitColumnSpan = "all"; |
| </script> |
