deletions | additions       diff --git a/layout.md b/layout.md  index d4385c0..0af7c3c 100644  --- a/layout.md  +++ b/layout.md 
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div_Use_simple_font_sans__.html  div_Stick_to_a_1__.html  div_Space_components_equally_spacing__.html  div_Avoid_3D_shapes_unless__.html