| <!DOCTYPE HTML> |
| <html> |
| <head> |
| <meta charset="utf-8"> |
| <title>CSS Test: 'contain: layout' with a vertical margin child. Margin collapse should not occur, and neither should overflow clipping.</title> |
| <link rel="author" title="Kyle Zentner" href="mailto:zentner.kyle@gmail.com"> |
| <link rel="author" title="Morgan Rae Reschenberg" href="mailto:mreschenberg@berkeley.edu"> |
| <link rel="help" href="https://drafts.csswg.org/css-contain/#containment-layout"> |
| <link rel="match" href="contain-layout-formatting-context-margin-001-ref.html"> |
| <style> |
| #a { |
| contain:layout; |
| background: blue; |
| margin: 10px; |
| width: 50px; |
| height: 50px; |
| } |
| #b { |
| width: 50px; |
| height: 40px; |
| background: green; |
| margin-top: 10px; |
| } |
| #c { |
| background: lightblue; |
| width: 50px; |
| height: 10px; |
| } |
| </style> |
| </head> |
| <body> |
| <div id="a"> |
| <div id="b"></div> |
| <div id="c"></div> |
| </div> |
| </body> |
| </html> |
