layer at (0,0) size 800x267
RenderBlock {test} at (0,0) size 800x267
RenderBlock {p} at (0,16) size 800x235
- RenderInline (pseudo:before) at (0,0) size 20x17 [color=#FF0000]
+ RenderInline {<pseudo:before>} at (0,0) size 20x17 [color=#FF0000]
RenderInline (generated) at (0,0) size 20x36 [color=#00FF00]
RenderTextFragment at (0,0) size 20x36
text run at (0,0) width 20: "T"