1 layer at (0,0) size 800x600
2 RenderView at (0,0) size 800x600
3 layer at (0,0) size 800x48
4 RenderBlock {HTML} at (0,0) size 800x48
5 RenderBody {BODY} at (8,16) size 784x16
6 RenderBlock {P} at (0,0) size 784x16 [bgcolor=#00FF00]
7 RenderText {#text} at (0,0) size 272x16
8 text run at (0,0) width 272: "This line should have a green background."