| layer at (0,0) size 800x600 | |
| LayoutView at (0,0) size 800x600 | |
| layer at (0,0) size 800x52 | |
| LayoutBlockFlow {HTML} at (0,0) size 800x52 | |
| LayoutBlockFlow {BODY} at (8,16) size 784x20 | |
| LayoutBlockFlow {P} at (0,0) size 784x20 [color=#FFFFFF] | |
| LayoutText {#text} at (0,0) size 228x19 | |
| text run at (0,0) width 228: "This should have a green background." |