| <!doctype html> |
| <meta charset="utf-8"> |
| <title>::scroll-markers with content-visibility: auto ancestors and subscrollers</title> |
| <link rel="match" href="nested-scroll-markers-under-content-visibility-auto-ref.html"> |
| <link rel="help" href="https://drafts.csswg.org/css-overflow-5/#scroll-marker-pseudo"> |
| <link rel="author" href="mailto:vmpstr@chromium.org"> |
| <link rel="assert" content="::scroll-markers should be captured by subscrollers when in content-visibility-auto"> |
| <style> |
| #scroller { |
| width: 600px; |
| height: 300px; |
| overflow: scroll; |
| scroll-marker-group: after; |
| } |
| |
| .subscroller { |
| scroll-marker-group: after; |
| overflow: scroll; |
| width: 600px; |
| height: 100px; |
| } |
| |
| .cv { |
| content-visibility: auto; |
| width: 100px; |
| height: 100px; |
| } |
| |
| #scroller::scroll-marker-group { |
| border: 3px solid black; |
| padding: 5px; |
| height: 20px; |
| display: block; |
| } |
| |
| .item { |
| height: 200px; |
| } |
| |
| .item::scroll-marker { |
| content: ""; |
| width: 10px; |
| height: 10px; |
| background-color: blue; |
| border-radius: 50%; |
| display: inline-block; |
| } |
| |
| .spacer { |
| height: 10000px; |
| } |
| </style> |
| <div id="scroller"> |
| <div class=cv> |
| <div class=subscroller> |
| <div class=item></div> <div class=item></div> <div class=item></div> |
| </div> |
| </div> |
| <div class=item></div> <div class=item></div> <div class=item></div> |
| <div class=spacer></div> |
| <div class=cv> |
| <div class=subscroller> |
| <div class=item></div> <div class=item></div> <div class=item></div> |
| </div> |
| </div> |
| </div> |
| |
