1 layer at (0,0) size 800x600
2 LayoutView at (0,0) size 800x600
3 layer at (0,0) size 800x50
4 LayoutBlockFlow {HTML} at (0,0) size 800x50
5 LayoutBlockFlow {BODY} at (8,16) size 784x18
6 LayoutBlockFlow {P} at (0,0) size 784x18 [bgcolor=#00FF00]
7 LayoutText {#text} at (0,0) size 272x18
8 text run at (0,0) width 272: "This line should have a green background."