layer at (0,0) size 800x600
RenderBlock {HTML} at (0,0) size 800x600
RenderBody {BODY} at (8,8) size 784x584
- RenderBlock {DIV} at (0,0) size 784x56 [border: (2px solid #FF0000)]
- RenderBR {BR} at (14,14) size 0x28
+ RenderBlock {DIV} at (0,0) size 784x55 [border: (2px solid #FF0000)]
+ RenderBR {BR} at (14,14) size 0x26
caret: position 0 of child 0 {BR} of child 1 {DIV} of body