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  RenderView at (0,0) size 800x600
layer at (0,0) size 800x74
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    RenderBody {BODY} at (8,18) size 784x38
layer at (8,18) size 784x38
  RenderBlock (relative positioned) {H1} at (0,0) size 784x38
    RenderText {#text} at (0,0) size 183x38
      text run at (0,0) width 183: "Webpage test"
layer at (8,18) size 202x202
  RenderBlock (positioned) at (0,0) size 202x202 [border: (1px solid #FF0000)]
    RenderText at (0,0) size 0x0
caret: position 0 of child 0 {#text} of child 1 {H1} of child 1 {BODY} of child 0 {HTML} of document
