layer at (0,0) size 800x600 RenderCanvas at (0,0) size 800x600 layer at (0,0) size 800x150 RenderBlock {HTML} at (0,0) size 800x150 RenderBody {BODY} at (8,8) size 784x134 RenderBlock (anonymous) at (0,0) size 784x34 RenderText {TEXT} at (0,0) size 759x34 text run at (0,0) width 720: "You should see a green rectangle below that is 100 pixels tall and that fills the width of the content area. " text run at (720,0) width 39: "If you" text run at (0,17) width 249: "see any red, then the test has failed." RenderBlock {DIV} at (0,34) size 784x100 [bgcolor=#FF0000] RenderFlexibleBox {DIV} at (0,0) size 784x100 [bgcolor=#008000]