1 layer at (0,0) size 800x600
2 RenderView at (0,0) size 800x600
3 layer at (0,0) size 800x54
4 RenderBlock {test} at (0,0) size 800x54
5 RenderBlock {p} at (0,16) size 800x22
6 RenderButton {button} at (0,0) size 520x22 [bgcolor=#C0C0C0] [border: (2px outset #C0C0C0)]
7 RenderBlock (anonymous) at (8,3) size 504x16
8 RenderText {#text} at (0,0) size 504x16
9 text run at (0,0) width 504: "Activating (e.g. holding the mouse button down on) this button should make it go green."