| <!DOCTYPE html> |
| <title>Nested scrollable containers with scroll markers</title> |
| <link rel="help" href="https://drafts.csswg.org/css-overflow-5/#scroll-marker-group"> |
| <link rel="match" href="../reference/ref-filled-green-100px-square.xht"> |
| <style> |
| .container { |
| scroll-marker-group: before; |
| overflow: hidden; |
| } |
| |
| .container::scroll-marker-group { |
| display: flex; |
| height: 25px; |
| } |
| |
| .marker::scroll-marker { |
| display: block; |
| width: 25px; |
| height: 25px; |
| content: ""; |
| background: green; |
| } |
| |
| .contain_abs { |
| position: relative; |
| } |
| |
| .contain_all { |
| contain: layout; |
| } |
| |
| .uncontained::scroll-marker { |
| z-index: 100; |
| content: "ERROR"; |
| background: red; |
| } |
| </style> |
| <p>Test passes if there is a filled green square and <strong>no red</strong>.</p> |
| <div class="container uncontained marker"> |
| <div class="marker"></div> |
| <div class="container marker"> |
| <div class="marker"></div> |
| <div class="marker"></div> |
| <div class="marker"></div> |
| <div class="uncontained marker" style="position:absolute;"></div> |
| <div class="uncontained marker" style="position:fixed;"></div> |
| <div class="container marker contain_abs"> |
| <div class="marker" style="position:absolute;"></div> |
| <div class="uncontained marker" style="position:fixed;"></div> |
| <div class="container contain_all"> |
| <div class="marker"></div> |
| <div class="marker" style="position:fixed;"></div> |
| <div class="marker"></div> |
| <div class="marker"></div> |
| </div> |
| <div class="marker"></div> |
| <div class="marker"></div> |
| <div class="marker"></div> |
| </div> |
| </div> |
| <div class="marker"></div> |
| <div class="marker"></div> |
| </div> |
| <div class="uncontained marker"></div> |
