| <!DOCTYPE html> |
| <title>Tests scroll adjustments of element anchored to another anchored element with fallback</title> |
| <link rel="author" href="mailto:wangxianzhu@chromium.org"> |
| <link rel="help" href="https://drafts.csswg.org/css-anchor-1/"> |
| <link rel="match" href="reference/anchor-scroll-chained-fallback-ref.html"> |
| <style> |
| body { |
| margin: 0; |
| } |
| |
| div { |
| width: 100px; |
| height: 100px; |
| } |
| |
| #scroller { |
| overflow: scroll; |
| width: 300px; |
| height: 300px; |
| } |
| |
| #anchor { |
| anchor-name: --a1; |
| background: orange; |
| margin: 250px 0; |
| } |
| |
| #anchored1 { |
| position: absolute; |
| position-anchor: --a1; |
| background: green; |
| position-try-options: --fallback; |
| anchor-name: --a2; |
| left: anchor(--a1 left); |
| bottom: anchor(--a1 top); |
| } |
| |
| #anchored2 { |
| position: absolute; |
| position-anchor: --a2; |
| left: anchor(--a2 left); |
| top: anchor(--a2 bottom); |
| background: lime; |
| } |
| |
| @position-try --fallback { |
| left: anchor(--a1 right); |
| top: anchor(--a1 top); |
| bottom: auto; |
| } |
| |
| </style> |
| |
| <div id="scroller"> |
| <div id="anchor"></div> |
| </div> |
| <div id="anchored1"></div> |
| <div id="anchored2"></div> |
| |
| <script> |
| scroller.scrollTop = 200; |
| </script> |