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 (0,0) size 800x600
6 RenderBlock {DIV} at (0,0) size 800x20
7 RenderText {#text} at (0,0) size 443x19
8 text run at (0,0) width 443: "Three green 16x16 pixel squares should appear below, stacked vertically."
9 RenderBlock {DIV} at (0,20) size 18x18 [bgcolor=#FF0000] [border: (1px solid #000000)]
10 RenderImage {IMG} at (1,1) size 16x16
11 RenderText {#text} at (0,0) size 0x0
12 RenderBlock (anonymous) at (0,38) size 800x36
13 RenderPartObject {IFRAME} at (0,0) size 18x18 [bgcolor=#FF0000] [border: (1px solid #000000)]
14 layer at (0,0) size 16x16
15 RenderView at (0,0) size 16x16
16 layer at (0,0) size 16x16
17 RenderBlock {HTML} at (0,0) size 16x16
18 RenderBody {BODY} at (0,0) size 16x16
19 RenderImage {IMG} at (0,0) size 16x16
20 RenderBR {BR} at (18,18) size 0x0
21 RenderPartObject {IFRAME} at (0,18) size 18x18 [bgcolor=#FF0000] [border: (1px solid #000000)]
22 layer at (0,0) size 16x16
23 RenderView at (0,0) size 16x16
24 layer at (0,0) size 16x16
25 RenderBlock {HTML} at (0,0) size 16x16
26 RenderBody {BODY} at (0,0) size 16x16
27 RenderImage {IMG} at (0,0) size 16x16
28 RenderText {#text} at (0,0) size 0x0