| layer at (0,0) size 800x600 |
| RenderView at (0,0) size 800x600 |
| layer at (0,0) size 800x600 |
| RenderBlock {HTML} at (0,0) size 800x600 |
| RenderBody {BODY} at (8,8) size 784x584 |
| RenderBlock {P} at (0,0) size 784x19 |
| RenderText {#text} at (0,0) size 636x19 |
| text run at (0,0) width 636: "The blue box should be horizontally centered in the black box with 25px of white on the left and right." |
| layer at (8,41) size 154x104 |
| RenderBlock (relative positioned) {DIV} at (0,33) size 154x104 [border: (2px solid #000000)] |
| layer at (35,43) size 100x100 |
| RenderImage {IMG} at (27,2) size 100x100 |
