layer at (0,0) size 800x600
RenderCanvas at (0,0) size 800x600
layer at (0,0) size 800x68
RenderBlock {HTML} at (0,0) size 800x68
RenderBody {BODY} at (8,16) size 784x36
RenderBlock {P} at (0,0) size 784x36
RenderText {TEXT} at (0,0) size 754x36
text run at (0,0) width 754: "Any textual selection in this long paragraph should have green background. Any textual selection in this long paragraph"
text run at (0,18) width 678: "should have green background. Any textual selection in this long paragraph should have green background."