| layer at (0,0) size 800x600 | |
| LayoutView at (0,0) size 800x600 | |
| layer at (0,0) size 800x50 | |
| LayoutBlockFlow {HTML} at (0,0) size 800x50 | |
| LayoutBlockFlow {BODY} at (8,16) size 784x18 | |
| LayoutBlockFlow {P} at (0,0) size 784x18 [color=#FFFFFF] | |
| LayoutText {#text} at (0,0) size 244x18 | |
| text run at (0,0) width 244: "This should have a green background." |