| 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 (floating) {DIV} at (0,0) size 50x400 [bgcolor=#008000] |
| RenderFieldSet {FIELDSET} at (50,0) size 732x54 [border: (2px groove #C0C0C0)] |
| RenderBlock {LEGEND} at (14,0) size 81x18 |
| RenderText {#text} at (2,0) size 77x18 |
| text run at (2,0) width 77: "Hello world" |
| RenderBlock (anonymous) at (14,23) size 704x19 |
| RenderText {#text} at (0,0) size 142x18 |
| text run at (0,0) width 142: "Some fieldset content." |