| <!DOCTYPE html> |
| <meta charset="utf-8"> |
| <title>CSS Overflow: ::scroll-marker with ::scroll-marker-group on root element</title> |
| <style> |
| body { |
| margin: 0; |
| } |
| |
| #scroll-marker-group { |
| border: 3px solid black; |
| padding: 5px; |
| height: 20px; |
| display: block; |
| position: fixed; |
| top: 0; |
| } |
| |
| .item { |
| width: 600px; |
| height: 300px; |
| margin-bottom: 20px; |
| background: green; |
| } |
| |
| #first { |
| margin-top: 40px; |
| } |
| |
| .scroll-marker { |
| width: 10px; |
| height: 10px; |
| background-color: blue; |
| border-radius: 100%; |
| display: inline-block; |
| } |
| </style> |
| <div id="scroll-marker-group"> |
| <div class="scroll-marker"></div> |
| <div class="scroll-marker"></div> |
| <div class="scroll-marker"></div> |
| </div> |
| <div id="first" class="item"></div> |
| <div class="item"></div> |
| <div class="item"></div> |
