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+0 100 0+0+0] [BFC] children: not-inline BlockContainer at [0,0] [0+0+0 800 0+0+0] [0+0+0 100 0+0+0] children: not-inline BlockContainer at [0,0] [0+0+0 760 0+0+40] [0+0+0 100 0+0+0] children: not-inline BlockContainer at [0,0] floating [0+0+0 300 0+0+0] [0+0+0 40 0+0+0] [BFC] children: not-inline BlockContainer at [310,0] floating [0+0+0 450 0+0+0] [0+0+0 50 0+0+0] [BFC] children: not-inline BlockContainer at [0,50] floating [0+0+0 400 0+0+0] [0+0+0 50 0+0+0] [BFC] children: not-inline BlockContainer at [400,50] floating [0+0+0 30 0+0+0] [0+0+0 20 0+0+0] [BFC] children: not-inline BlockContainer at [0,100] [0+0+0 760 0+0+0] [0+0+0 0 0+0+0] children: not-inline BlockContainer <(anonymous)> at [0,100] [0+0+0 800 0+0+0] [0+0+0 0 0+0+0] children: inline TextNode <#text> (not painted) ViewportPaintable (Viewport<#document>) [0,0 800x600] PaintableWithLines (BlockContainer) [0,0 800x100] PaintableWithLines (BlockContainer) [0,0 800x100] PaintableWithLines (BlockContainer
.container) [0,0 760x100] PaintableWithLines (BlockContainer
.left.first-left) [0,0 300x40] PaintableWithLines (BlockContainer
.right.first-right) [310,0 450x50] PaintableWithLines (BlockContainer
.left.second-left) [0,50 400x50] PaintableWithLines (BlockContainer
.left.third-left) [400,50 30x20] PaintableWithLines (BlockContainer
.clear) [0,100 760x0] PaintableWithLines (BlockContainer(anonymous)) [0,100 800x0] SC for Viewport<#document> [0,0 800x600] [children: 1] (z-index: auto) SC for BlockContainer [0,0 800x100] [children: 0] (z-index: auto)