1 layer at (0,0) size 800x600
2 RenderView at (0,0) size 800x600
3 layer at (0,0) size 800x24
4 RenderBlock {html} at (0,0) size 800x24
5 RenderBody {body} at (8,16) size 784x0
6 RenderBlock {p} at (0,0) size 784x18
7 RenderText {#text} at (0,0) size 390x18
8 text run at (0,0) width 390: "The entire canvas should be green and there should be no red."