| <html> | |
| <body style="margin: 0;"> | |
| <svg xmlns="http://www.w3.org/2000/svg"> | |
| <!-- The FO should be masked, with only the green half visible. --> | |
| <defs> | |
| <mask id="mask" width="200" height="100"> | |
| <rect width="200" height="50" style="fill: #fff"/> | |
| </mask> | |
| </defs> | |
| <foreignObject width="200" height="100" mask="url(#mask)" opacity=".5"> | |
| <html xmlns="http://www.w3.org/1999/xhtml"> | |
| <body> | |
| <div style="background: green; height: 50px;"></div> | |
| <div style="background: red; height: 50px;"></div> | |
| </body> | |
| </html> | |
| </foreignObject> | |
| </svg> | |
| </body> | |
| </html> |