AccumulatedVisualContext Tree:
  [1] scroll_frame_id=1 (PaintableWithLines(BlockContainer<PRE>#out))
    [2] transform=[0.9848077,-0.17364818,0.17364818,0.9848077,0,0] origin=(58,58) (PaintableWithLines(InlineNode<SPAN>.inline-transformed))
      [3] perspective (PaintableWithLines(BlockContainer<SPAN>.relative-child))

DisplayList:
SaveLayer@0
  CompositorWheelHitTestTarget@0 target_scroll_frame_index=0 rect=[0,0 800x600]
  CompositorWheelHitTestTarget@1 target_scroll_frame_index=0 rect=[0,0 800x321]
  CompositorWheelHitTestTarget@1 target_scroll_frame_index=0 rect=[8,8 784x300]
  CompositorWheelHitTestTarget@1 target_scroll_frame_index=0 rect=[8,8 300x300]
  FillRect@1 rect=[8,8 300x300] color=rgb(211, 211, 211)
  CompositorWheelHitTestTarget@2 target_scroll_frame_index=0 rect=[8,8 100x100]
  FillRect@2 rect=[8,8 100x100] color=rgb(173, 216, 230)
  CompositorWheelHitTestTarget@3 target_scroll_frame_index=0 rect=[13,13 100x100]
  FillRect@3 rect=[13,13 100x100] color=rgb(255, 127, 80)
  DrawGlyphRun@3 rect=[13,13 65x18] translation=[13,26.796875] color=rgb(0, 0, 0)
Restore@0