| layer at (0,0) size 800x600 | |
| RenderView at (0,0) size 800x600 | |
| layer at (0,0) size 800x52 | |
| RenderBlock {test} at (0,0) size 800x52 | |
| RenderBlock {p} at (0,16) size 800x20 [bgcolor=#00FF00] | |
| RenderText {#text} at (0,0) size 272x19 | |
| text run at (0,0) width 272: "This line should have a green background." |