| <!DOCTYPE html> |
| <html> |
| <head> |
| <link rel="author" title="Sammy Gill" href="mailto:[email protected]"> |
| <link rel="help" href="https://drafts.csswg.org/css-box-4/#margin-trim-block"> |
| <meta name="assert" content="block-end margins in nested content should be trimmed when they collapse through to the outer block container"> |
| <style> |
| .outer { |
| margin-trim: block; |
| } |
| container { |
| display: block; |
| } |
| item { |
| display: block; |
| margin-block-end: 40px; |
| inline-size: 50px; |
| block-size: 50px; |
| background-color: green; |
| } |
| .collapsed { |
| margin-block-start: 50px; |
| block-size: 0px; |
| } |
| </style> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="/resources/check-layout-th.js"></script> |
| </head> |
| <body onload="checkLayout('container > item')"> |
| <div id="target"> |
| <container class="outer"> |
| <container> |
| <item data-offset-y="8"></item> |
| <item data-offset-y="58" class="collapsed"></item> |
| <item data-offset-y="58" class="collapsed"></item> |
| </container> |
| </container> |
| </div> |
| </body> |
| </html> |
