| <!DOCTYPE html> |
| <title>CSS Overflow Test: ::column style change triggers relayout</title> |
| <link rel="help" href="https://www.w3.org/TR/css-multicol-2/#column-pseudo"> |
| <link rel="match" href="../reference/ref-filled-green-100px-square.xht"> |
| <style> |
| #container { |
| scroll-snap-type: both mandatory; |
| overflow: hidden; |
| columns: 1; |
| gap: 0; |
| column-fill: auto; |
| width: 100px; |
| height: 100px; |
| background: red; |
| } |
| .snapColumns::column { |
| scroll-snap-align: start; |
| } |
| </style> |
| <p>Test passes if there is a filled green square and <strong>no red</strong>.</p> |
| <div id="container"> |
| <div style="height:100px;"></div> |
| <div style="height:100px; background:green;"></div> |
| </div> |
| <script> |
| document.body.offsetTop; |
| container.className = "snapColumns"; |
| container.scrollLeft = 51; |
| </script> |
