deletions | additions       diff --git a/layout.md b/layout.md  index 4cbf44f..6a099e2 100644  --- a/layout.md  +++ b/layout.md 
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div_nbsp_br_div__.html  div_Avoid_using_background_images__.html  div_Use_simple_font_sans__.html  div_Stick_to_a_1__.html