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| RenderView at (0,0) size 800x600 | |
| layer at (0,0) size 800x0 | |
| RenderBlock {html} at (0,0) size 800x0 | |
| layer at (0,0) size 800x20 | |
| RenderBlock (positioned) {head} at (0,0) size 800x20 | |
| layer at (0,0) size 800x20 | |
| RenderBody {body} at (0,0) size 800x20 [color=#000080] | |
| RenderBlock {p} at (0,0) size 800x18 | |
| RenderText {#text} at (0,0) size 280x18 | |
| text run at (0,0) width 280: "This line should have a yellow background." |