| layer at (0,0) size 800x600 |
| RenderView at (0,0) size 800x600 |
| layer at (0,0) size 800x170 |
| RenderBlock {HTML} at (0,0) size 800x170 |
| RenderBody {BODY} at (8,16) size 784x138 |
| RenderBlock {P} at (0,0) size 784x18 |
| RenderText {#text} at (0,0) size 439x18 |
| text run at (0,0) width 439: "The three boxes below should have progressively thinner left borders." |
| RenderBlock {P} at (0,34) size 784x24 [border: (3px solid #000000) (5px solid #000000)] |
| RenderText {#text} at (5,3) size 12x18 |
| text run at (5,3) width 12: "A" |
| RenderBlock {P} at (0,74) size 784x24 [border: (3px solid #000000)] |
| RenderText {#text} at (3,3) size 11x18 |
| text run at (3,3) width 11: "B" |
| RenderBlock {P} at (0,114) size 784x24 [border: (3px solid #000000) (1px solid #000000)] |
| RenderText {#text} at (1,3) size 11x18 |
| text run at (1,3) width 11: "C" |