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