| <!doctype HTML> | |
| <style> | |
| #container { | |
| contain: style layout; | |
| width: 150px; | |
| height: 150px; | |
| } | |
| #spacer { | |
| width: 100px; | |
| height: 100px; | |
| background: lightgreen; | |
| } | |
| #checker { | |
| width: 100px; | |
| height: 50px; | |
| background: green; | |
| } | |
| </style> | |
| <div id="log">PASS</div> | |
| <div id="spacer"></div> | |
| <div id="container"></div> | |
| <div id="checker"></div> |