| layer at (0,0) size 800x600 |
| RenderView at (0,0) size 800x600 |
| layer at (0,0) size 800x300 |
| RenderBlock {HTML} at (0,0) size 800x300 |
| RenderBody {BODY} at (8,16) size 784x276 |
| RenderBlock {P} at (0,0) size 784x60 |
| RenderText {#text} at (0,0) size 90x19 |
| text run at (0,0) width 90: "Test passes if:" |
| RenderBR {BR} at (89,0) size 1x19 |
| RenderText {#text} at (0,20) size 618x19 |
| text run at (0,20) width 618: "1. the rectangle 1, 2, 3 show up in a vertical column in a red rectangle and no gap between them." |
| RenderBR {BR} at (617,20) size 1x19 |
| RenderText {#text} at (0,40) size 354x19 |
| text run at (0,40) width 354: "2. They are all appear in upper left of the red rectangle." |
| RenderFlexibleBox {DIV} at (0,76) size 200x200 [bgcolor=#FF0000] |
| RenderBlock {DIV} at (0,0) size 50x50 [bgcolor=#7FFF00] |
| RenderText {#text} at (20,0) size 10x23 |
| text run at (20,0) width 10: "1" |
| RenderBlock {DIV} at (0,50) size 50x50 [bgcolor=#00FFFF] |
| RenderText {#text} at (20,0) size 10x23 |
| text run at (20,0) width 10: "2" |
| RenderBlock {DIV} at (0,100) size 50x50 [bgcolor=#4169E1] |
| RenderText {#text} at (20,0) size 10x23 |
| text run at (20,0) width 10: "3" |
