Viewport <#document> at [0,0] [0+0+0 800 0+0+0] [0+0+0 600 0+0+0] [BFC] children: not-inline BlockContainer at [0,0] [0+0+0 800 0+0+0] [0+0+0 64 0+0+0] [BFC] children: not-inline BlockContainer at [8,8] [8+0+0 784 0+0+8] [8+0+0 48 0+0+8] children: not-inline BlockContainer <(anonymous)> at [8,8] [0+0+0 784 0+0+0] [0+0+0 16 0+0+0] children: inline frag 0 from TextNode start: 0, length: 38, rect: [8,8 315.609375x16] baseline: 12.796875 "-- There should be a 1em gap here: ---" TextNode <#text> (not painted) BlockContainer

at [8,40] [0+0+0 784 0+0+0] [16+0+0 0 0+0+16] children: not-inline BlockContainer at [8,40] [0+0+0 784 0+0+0] [16+0+0 0 0+0+16] children: not-inline BlockContainer <(anonymous)> at [8,40] [0+0+0 784 0+0+0] [0+0+0 16 0+0+0] children: inline frag 0 from TextNode start: 1, length: 38, rect: [8,40 273.375x16] baseline: 12.796875 "-- Gap End ---------------------------" TextNode <#text> (not painted) ViewportPaintable (Viewport<#document>) [0,0 800x600] PaintableWithLines (BlockContainer) [0,0 800x64] PaintableWithLines (BlockContainer) [8,8 784x48] PaintableWithLines (BlockContainer(anonymous)) [8,8 784x16] PaintableWithLines (BlockContainer

) [8,40 784x0] PaintableWithLines (BlockContainer) [8,40 784x0] PaintableWithLines (BlockContainer(anonymous)) [8,40 784x16] SC for Viewport<#document> [0,0 800x600] (z-index: auto) SC for BlockContainer [0,0 800x64] (z-index: auto)