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| RenderView at (0,0) size 800x600 | |
| layer at (0,0) size 800x600 | |
| RenderBlock {HTML} at (0,0) size 800x600 | |
| RenderBody {BODY} at (8,8) size 784x576 | |
| RenderBlock {DIV} at (0,0) size 784x18 [color=#FF0000] | |
| RenderText {#text} at (0,0) size 77x18 | |
| text run at (0,0) width 77: "Hello world" | |
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| RenderText {#text} at (0,0) size 220x18 | |
| text run at (0,0) width 220: "The number of matched rules is: 1" |