1 layer at (0,0) size 800x600
2 LayoutView at (0,0) size 800x600
3 layer at (0,0) size 800x36
4 LayoutBlockFlow {HTML} at (0,0) size 800x36
5 LayoutBlockFlow {BODY} at (8,8) size 784x20
6 LayoutBlockFlow {DIV} at (0,0) size 784x20
7 LayoutText {#text} at (0,0) size 642x19
8 text run at (0,0) width 642: "[~=] attribute selector looking for empty string in empty attribute (the text should not have red background)"