1 layer at (0,0) size 800x600
2 RenderView at (0,0) size 800x600
3 layer at (0,0) size 800x600
4 RenderBlock {HTML} at (0,0) size 800x600
5 RenderBody {BODY} at (8,8) size 784x584
6 RenderBlock (floating) {DIV} at (0,0) size 50x400 [bgcolor=#008000]
7 RenderFieldSet {FIELDSET} at (50,0) size 730x59 [border: (2px groove #C0C0C0)]
8 RenderBlock {LEGEND} at (14,0) size 85x21
9 RenderText {#text} at (2,0) size 81x21
10 text run at (2,0) width 81: "Hello world"
11 RenderBlock (anonymous) at (14,26) size 702x21
12 RenderText {#text} at (0,0) size 157x21
13 text run at (0,0) width 157: "Some fieldset content."