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 RenderText {#text} at (0,0) size 546x18 text run at (0,0) width 331: "There should be two 100x100 green squares below. " text run at (331,0) width 215: "They should be vertically stacked." RenderText {#text} at (0,0) size 0x0 layer at (10,40) size 100x100 RenderBlock (positioned) {DIV} at (10,40) size 100x100 [bgcolor=#008000] RenderBlock {DIV} at (0,0) size 100x0 layer at (10,150) size 100x100 RenderBlock (positioned) {DIV} at (10,150) size 100x100 [bgcolor=#008000] RenderBlock {DIV} at (0,0) size 100x0