| layer at (0,0) size 800x600 | |
| RenderView at (0,0) size 800x600 | |
| layer at (0,0) size 800x153 | |
| RenderBlock {HTML} at (0,0) size 800x153 | |
| RenderBody {BODY} at (8,16) size 784x129 | |
| RenderBlock {P} at (0,0) size 784x18 | |
| RenderText {#text} at (0,0) size 408x18 | |
| text run at (0,0) width 408: "The square below should be exactly 50 pixels wide on the ruler." | |
| RenderBlock {DIV} at (0,34) size 784x95 | |
| RenderImage {IMG} at (0,0) size 50x50 |