1 layer at (0,0) size 800x600
2 LayoutView at (0,0) size 800x600
3 layer at (0,0) size 800x600
4 LayoutBlockFlow {HTML} at (0,0) size 800x600
5 LayoutBlockFlow {BODY} at (8,8) size 784x572
6 LayoutBlockFlow (anonymous) at (0,0) size 784x20
7 LayoutText {#text} at (0,0) size 381x19
8 text run at (0,0) width 381: "You should not see an empty rectangle above the black square."
9 LayoutBlockFlow {DIV} at (20,40) size 744x20
10 LayoutText {#text} at (0,4) size 16x16
11 text run at (0,4) width 16: "o\x{309}"