layer at (0,0) size 800x600 RenderCanvas at (0,0) size 800x600 layer at (0,0) size 800x78 RenderBlock {HTML} at (0,0) size 800x78 RenderBody {BODY} at (8,8) size 784x54 RenderBlock {P} at (0,0) size 784x54 RenderText {TEXT} at (0,0) size 777x54 text run at (0,0) width 561: "In this test, you should see three blocks that are centered horizontally within a black box. " text run at (561,0) width 211: "They should be stacked vertically" text run at (0,18) width 303: "with the green box in between two olive boxes. " text run at (303,18) width 311: "The olive boxes and the green box should be 100" text run at (614,18) width 163: "x100, and there should be" text run at (0,36) width 325: "50 pixels of padding on either side of the box stack." layer at (8,78) size 240x340 RenderBlock (positioned) {DIV} at (8,78) size 240x340 [border: (20px solid #000000)] RenderBlock {DIV} at (70,70) size 100x0 layer at (78,198) size 100x100 RenderBlock (positioned) {SPAN} at (70,120) size 100x100 [bgcolor=#008000] layer at (78,98) size 100x100 RenderBlock (positioned) {DIV} at (70,20) size 100x100 [bgcolor=#808000] layer at (78,298) size 100x100 RenderBlock (positioned) {DIV} at (70,220) size 100x100 [bgcolor=#808000]