RenderBlock {HTML} at (0,0) size 800x600
RenderBody {BODY} at (8,8) size 784x584
RenderBlock {DIV} at (0,0) size 230x230 [bgcolor=#00FF00] [border: (15px solid #FF0000)]
- RenderText {#text} at (15,15) size 4x22
+ RenderText {#text} at (15,15) size 4x21
text run at (15,15) width 4: " "