Viewport <#document> at (0,0) content-size 800x600 children: not-inline BlockContainer at (0,0) content-size 800x17 [BFC] children: not-inline BlockContainer at (8,8) content-size 784x1 children: not-inline BlockContainer
at (8,8) content-size 784x1 children: inline frag 0 from TextNode start: 0, length: 21, rect: [8,8 0x1] baseline: 0.796875 "should not be visible" TextNode <#text> ViewportPaintable (Viewport<#document>) [0,0 800x600] PaintableWithLines (BlockContainer) [0,0 800x17] PaintableWithLines (BlockContainer) [8,8 784x1] PaintableWithLines (BlockContainer
) [8,8 784x1] TextPaintable (TextNode<#text>)