1 layer at (0,0) size 800x600
2 RenderView at (0,0) size 800x600
3 layer at (0,0) size 800x38
4 RenderBlock {HTML} at (0,0) size 800x38
5 RenderBody {BODY} at (8,12) size 784x14
6 RenderBlock {P} at (0,0) size 784x14 [bgcolor=#00FF00]
7 RenderText {#text} at (0,0) size 200x14
8 text run at (0,0) width 200: "This line should have a green background."