| layer at (0,0) size 800x600 | |
| LayoutView at (0,0) size 800x600 | |
| layer at (0,0) size 800x36 | |
| LayoutNGBlockFlow {HTML} at (0,0) size 800x36 | |
| LayoutNGBlockFlow {BODY} at (8,8) size 784x20 | |
| LayoutInline {SPAN} at (0,0) size 252x19 | |
| LayoutText {#text} at (196,0) size 252x19 | |
| text run at (196,0) width 252: "This span has 25% margins on either side." | |
| LayoutText {#text} at (643,0) size 31x19 | |
| text run at (643,0) width 31: "See?" |