| <!DOCTYPE html> |
| <title>CSS Anchor Positioning: position-area anchored against scrolling anchor</title> |
| <link rel="help" href="https://drafts.csswg.org/css-anchor-position/#position-area"> |
| <link rel="match" href="position-area-scroll-adjust-ref.html"> |
| <style> |
| #scroller { |
| width: 400px; |
| height: 200px; |
| overflow: auto; |
| } |
| #anchor { |
| background: green; |
| width: 200px; |
| height: 100px; |
| } |
| #anchored { |
| position-area: bottom; |
| margin: 0; |
| padding: 0; |
| border: none; |
| background: green; |
| width: 200px; |
| height: 100px; |
| } |
| .filler { height: 200px; } |
| </style> |
| <p>You should see a green square below</p> |
| <div id="scroller"> |
| <div class="filler"></div> |
| <div id="anchor" popovertarget="anchored"></div> |
| <div id="anchored" anchor="anchor" popover></div> |
| <div class="filler"></div> |
| <div class="filler"></div> |
| </div> |
| <script> |
| anchored.showPopover(); |
| scroller.scrollTop = 200; |
| </script> |