layer at (0,0) size 800x600
  LayoutView at (0,0) size 800x600
layer at (0,0) size 800x51
  LayoutBlockFlow {HTML} at (0,0) size 800x51
    LayoutBlockFlow {BODY} at (8,16) size 784x19
      LayoutBlockFlow {P} at (0,0) size 784x19
        LayoutButton {BUTTON} at (0,1) size 453.98x18 [bgcolor=#FFFFFF] [border: none (2px solid #D1D1D1) none (2px solid #D1D1D1)]
          LayoutBlockFlow (anonymous) at (8,2) size 437.98x13
            LayoutText {#text} at (0,0) size 438x13
              text run at (0,0) width 438: "Activating (e.g. holding the mouse button down on) this button should make it go green."