1 layer at (0,0) size 800x600
2 LayoutView at (0,0) size 800x600
3 layer at (0,0) size 800x52
4 LayoutBlockFlow {HTML} at (0,0) size 800x52
5 LayoutBlockFlow {BODY} at (8,16) size 784x20
6 LayoutBlockFlow {P} at (0,0) size 784x20
7 LayoutText {#text} at (0,0) size 478x19
8 text run at (0,0) width 478: "Try selecting some text in this document. It should be have a green background."
9 selection start: position 0 of child 0 {#text} of child 1 {P} of body
10 selection end: position 79 of child 0 {#text} of child 1 {P} of body