| <!DOCTYPE html> |
| <title>Tests margin properties in position fallback</title> |
| <link rel="help" href="https://drafts.csswg.org/css-anchor-position-1/#accepted-try-properties"> |
| <link rel="author" href="mailto:xiaochengh@chromium.org"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="/resources/check-layout-th.js"></script> |
| <script src="support/test-common.js"></script> |
| |
| <style> |
| body { |
| margin: 0; |
| } |
| |
| .cb { |
| width: 300px; |
| height: 150px; |
| position: relative; |
| background: lightgray; |
| } |
| |
| .anchor { |
| position: absolute; |
| width: 100px; |
| height: 100px; |
| top: 25px; |
| background: orange; |
| anchor-name: --a; |
| } |
| |
| .target { |
| position: absolute; |
| width: 100px; |
| height: 100px; |
| background: lime; |
| position-try-fallbacks: --fallback; |
| top: anchor(--a top); |
| right: anchor(--a left); |
| margin-top: 10px; |
| margin-right: 10px; |
| } |
| |
| @position-try --fallback { |
| inset: auto; |
| bottom: anchor(--a bottom); |
| left: anchor(--a right); |
| margin: 0; |
| margin-bottom: 10px; |
| margin-left: 10px; |
| } |
| </style> |
| |
| <body onload="checkLayoutForAnchorPos('.target')"> |
| |
| <div class=cb> |
| <div class=anchor style="left: 110px"></div> |
| <!-- Chooses base style. --> |
| <div class=target data-offset-x=0 |
| data-expected-margin-left=0 data-expected-margin-right=10 |
| data-expected-margin-top=10 data-expected-margin-bottom=0></div> |
| </div> |
| |
| <div class=cb> |
| <div class=anchor style="right: 110px"></div> |
| <!-- Chooses @position-try block. --> |
| <div class=target data-offset-x=200 |
| data-expected-margin-left=10 data-expected-margin-right=0 |
| data-expected-margin-top=0 data-expected-margin-bottom=10></div> |
| </div> |
| |
| </body> |
