| <!-- webkit-test-runner [ internal:LayoutFormattingContextEnabled=true internal:LayoutFormattingContextIntegrationEnabled=false ] --> |
| <style> |
| .container { |
| border: 5px solid green; |
| height: 100px; |
| width: 100px; |
| position: relative; |
| } |
| |
| div div { |
| background: blue; |
| position: absolute; |
| |
| height: 50px; |
| width: 50px; |
| |
| top: 10px; |
| bottom: 10px; |
| } |
| </style> |
| <div class=container><div style="margin-top: auto;"></div></div> |
| <div class=container><div style="margin-bottom: auto;"></div></div> |
| <div class=container><div style="margin-top: auto; margin-bottom: auto;"></div></div> |