1 In all iframes, the green fixed-position element should not be composited.
3 (bounds 785.00 4016.00)
6 (bounds 785.00 4016.00)
11 (position 50.00 360.00)
12 (bounds 300.00 100.00)
15 (backgroundColor #00FFFF)
18 (position 10.00 200.00)
19 (bounds 154.00 154.00)
23 (position 10.00 380.00)
24 (bounds 154.00 154.00)
31 Composited box underneath iframe.