1 layer at (0,0) size 800x600
2 RenderView at (0,0) size 800x600
3 layer at (0,0) size 800x63
4 RenderBlock {html} at (0,0) size 800x63
5 RenderBody {body} at (8,16) size 784x31
6 RenderBlock {p} at (0,0) size 784x31
7 RenderButton {button} at (2,2) size 635x27 [bgcolor=#C0C0C0] [border: (2px outset #C0C0C0)]
8 RenderBlock (anonymous) at (8,4) size 619x18
9 RenderText {#text} at (0,0) size 619x17
10 text run at (0,0) width 619: "Activating (e.g. holding the mouse button down on) this button should make it go green."