| 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 | |
| RenderText {#text} at (0,0) size 478x19 | |
| text run at (0,0) width 478: "Try selecting some text in this document. It should be have a green background." |